{"title":"DE Filter Grids","description":"\u003cp\u003eShop de filter grids at Active Pool Supply, with genuine OEM and quality aftermarket options.\u003c\/p\u003e","products":[{"product_id":"set-7-full-1-partial-grid-set-de-60-sqft-30-quot-fc-9550-pfs3060","title":"Set-7 Full\/1 Partial Grid Set DE 60 SQFT 30\u0026quot; | FC-9550 PFS3060","description":"\u003cdiv\u003e\u003cstrong\u003eSet-7 Full\/1 Partial Grid Set DE 60 SQFT 30\" | FC-9550 PFS3060\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e","brand":"Filbur","offers":[{"title":"Default Title","offer_id":47465218015444,"sku":null,"price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/defiltergrid60_34329977-3f73-4e16-805f-03e8b000af08.jpg?v=1788202121"},{"product_id":"filbur-complete-de-filter-grid-set-48-sq-ft-24-in-grids","title":"DE Pool Filter Grid Replacement Set Complete","description":"\u003cp\u003eComplete replacement grid sets for diatomaceous earth pool filters, in five sizes from 24 to 72 square feet. Every set is eight grids: seven full size plus one partial that closes the assembly. Pick the size that matches your filter, using the table below to check it against the part number you are replacing.\u003c\/p\u003e\n\u003cp\u003eEach grid is built around a reinforced center tube. The tube acts as a duct, funneling water from the outer edges of the grid into the center and out through the frame. Spreading the draw this way keeps tension off the fabric, which is usually what decides how long a grid set lasts and how hard the pump has to work to pull through it.\u003c\/p\u003e\n\u003cp\u003eThe fabric is woven polypropylene made from virgin resins only, stitched with chemical resistant 4-ply thread. Virgin resin matters here: reground material carries impurities that weaken the weave and open up the pore structure, which is how a tired grid starts passing DE back into the pool.\u003c\/p\u003e\n\u003ch3\u003eSizes and part numbers\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter area\u003c\/th\u003e\n\u003cth\u003eGrid height\u003c\/th\u003e\n\u003cth\u003eFilbur\u003c\/th\u003e\n\u003cth\u003eUnicel\u003c\/th\u003e\n\u003cth\u003eOur SKU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e24 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e12 in.\u003c\/td\u003e\n\u003ctd\u003eFC-9520\u003c\/td\u003e\n\u003ctd\u003eFS-2002\u003c\/td\u003e\n\u003ctd\u003eUNI-60-5180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e36 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e18 in.\u003c\/td\u003e\n\u003ctd\u003eFC-9530\u003c\/td\u003e\n\u003ctd\u003eFS-2003\u003c\/td\u003e\n\u003ctd\u003eUNI-60-5181\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e48 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e24 in.\u003c\/td\u003e\n\u003ctd\u003eFC-9540\u003c\/td\u003e\n\u003ctd\u003eFS-2004\u003c\/td\u003e\n\u003ctd\u003eUNI-60-5182\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e30 in.\u003c\/td\u003e\n\u003ctd\u003eFC-9550\u003c\/td\u003e\n\u003ctd\u003eFS-2005\u003c\/td\u003e\n\u003ctd\u003eUNI-60-5183\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e72 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e36 in.\u003c\/td\u003e\n\u003ctd\u003eFC-9560\u003c\/td\u003e\n\u003ctd\u003eFS-2006\u003c\/td\u003e\n\u003ctd\u003eUNI-60-5184\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eChoosing the right size\u003c\/h3\u003e\n\u003cp\u003eMeasure the height of a grid already in the filter, or read the square footage off the filter label. The two go together: 12 in. grids make a 24 sq. ft. set, 18 in. a 36, 24 in. a 48, 30 in. a 60 and 36 in. a 72. The brand on the tank does not decide fit, the grid dimensions do.\u003c\/p\u003e\n\u003ch3\u003eWhat is in the box\u003c\/h3\u003e\n\u003cp\u003eSeven full size grids and one partial grid, eight grids total, which is a complete set for one filter. Manifolds, standpipes and clamps are not included. Reuse the ones already in the filter or order them separately.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace a grid set\u003c\/h3\u003e\n\u003cp\u003eReplace when DE comes back into the pool through the returns, when the filter will not hold pressure, or when the fabric shows tears, thin patches or a hardened glaze that backwashing no longer clears. Grids are replaced as a full set rather than one at a time, because a single new grid alongside seven worn ones takes an uneven share of the flow and fails early.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/de-grid-features-photo_cd1e11ac-0c96-4c16-b2eb-71853c11395f.png?v=1788228465\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Filbur","offers":[{"title":"24 sq. ft. (12 in. grids)","offer_id":48574838997204,"sku":"UNI-60-5180","price":109.0,"currency_code":"USD","in_stock":true},{"title":"36 sq. ft. (18 in. grids)","offer_id":48574839029972,"sku":"UNI-60-5181","price":119.0,"currency_code":"USD","in_stock":true},{"title":"48 sq. ft. (24 in. grids)","offer_id":48574839718100,"sku":"UNI-60-5182","price":139.0,"currency_code":"USD","in_stock":true},{"title":"60 sq. ft. (30 in. grids)","offer_id":48574839062740,"sku":"UNI-60-5183","price":169.0,"currency_code":"USD","in_stock":true},{"title":"72 sq. ft. (36 in. grids)","offer_id":48574839095508,"sku":"UNI-60-5184","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/Filbur_FC-9540.png?v=1787940947"},{"product_id":"fns-plus-element-assembly-complete-48-sqft","title":"Pentair Genuine OEM FNS Plus Element Assembly Complete, 48 Sq Ft","description":"\u003cp\u003eThe Pentair 59023400 is the complete element grid assembly for the FNS Plus 48 sq ft DE filter, model FNSP48. It is the genuine Pentair part, and it replaces the entire grid set in one go.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the whole assembly\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids wear together. When one has torn fabric or a blinded coat, the rest are usually not far behind, and swapping the complete assembly puts 48 sq ft of fresh filter area back in the tank without piecing grids onto an old set.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm the filter is the 48 sq ft FNS Plus. The assembly ships in a box 18.75 in. long, 19.0 in. wide and 30.5 in. high. The tank o-ring is not included; the 20-7\/8 in. ID o-ring for this tank is listed separately.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624832512212,"sku":"AMP-051-4018","price":395.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_7b9c42a9-315b-4823-ad12-b678edf94b7f.png?v=1788643249"},{"product_id":"element-assembly-complete-36-sqft","title":"Pentair FNS Plus Filter Element Assembly Complete 36 Sqft","description":"\u003cp\u003eThe Pentair 59023500 is the complete internal grid assembly for the 36 sq ft FNS Plus DE filter. Rather than a loose set of grids to fit one at a time, it arrives as the whole element: manifold, grids, grid retainer and thru rod, assembled and ready to set into the tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace the element\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids wear over years of backwashing and acid washing. Torn fabric lets DE pass back to the pool, blinded fabric shortens the cycle between cleanings, and a cracked manifold bypasses the grids altogether. If more than one or two grids are past saving, replacing the assembly as a unit is faster than rebuilding and gets the filter back to its rated flow in one step.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis assembly is sized for the 36 sq ft FNS Plus tank. The 48 and 60 sq ft models take taller grids and a different part number, so check the label on your tank before ordering. It is the genuine Pentair part listed on the FNS Plus parts diagram.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624832872660,"sku":"AMP-051-4017","price":316.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_422abc41-a697-4f7e-b870-1b068447891b.jpg?v=1788642929"},{"product_id":"element-assembly-complete-60-sqft","title":"Pentair 60 Sq Ft Element Assembly Complete","description":"\u003cp\u003eThe Pentair 59023300 is the complete grid element assembly for the 60 sq ft FNS Plus DE filter. It includes the full set of 30 in. tall grids already mounted on the manifold with the rods, so the whole internal assembly comes out and goes in as one piece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace the assembly\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTorn grid fabric sends DE back to the pool and a cracked manifold does the same. If more than a grid or two is damaged, or the manifold itself is suspect, the complete assembly is the cleaner repair than rebuilding a used manifold with new grids.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm your filter is the 60 sq ft FNS Plus. While the tank is open, check the clamp, tank o-ring and inlet pipe assembly.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624833102036,"sku":"AMP-051-4019","price":424.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_9a81f71e-4249-425a-8eaf-6af3cb1c043c.png?v=1788643047"},{"product_id":"pentair-196090-easyclean-ec90-element-retro-kit","title":"Pentair EasyClean EC90 Element Retro Kit","description":"\u003cp\u003eThe Pentair 196090 is the element retro kit for the EasyClean EC90, Pentair's aboveground pool DE filter system. It is the genuine Pentair replacement element, supplied as a retrofit kit for the EC90 tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis kit is specific to the EC90. The smaller EC60 uses a different quad style cartridge and is not covered by this part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReplace the element when cleaning no longer brings the filter pressure back to its clean reading, or when the element is torn or collapsed.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624875536596,"sku":"PAC-051-0181","price":192.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_88559920-645c-49f7-8a14-8625ecb20ce6.jpg?v=1788648430"},{"product_id":"jandy-r0501300-complete-grid-assembly-dev-del-48-sqft","title":"Jandy Complete Grid Assembly for DEV\/DEL 48 Sq Ft Filters","description":"\u003cp\u003eThe Jandy R0501300, also sold under the Zodiac name, is the complete grid assembly for the 48 sq ft DEV and DEL DE filters. It is the full grid set and the manifold in one pre-assembled unit, which makes it the quick way to bring a tired DE filter back to full filtration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuilt for the tank\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe assembly is shaped to fit the DEV48 and DEL48, and the grids and frame are made from materials chosen to resist pool chemicals and UV over many seasons. The manifold distributes water evenly across the grids so the entire 48 sq ft of filter area is working.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBecause it arrives assembled, the job is to open the tank, lift out the old grid assembly and set the new one in place. There is no stacking individual grids or lining up a manifold on the bench.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the size\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 60 sq ft DEV60 and DEL60 filters use a different complete assembly, so confirm your filter is the 48 sq ft model before ordering.\u003c\/p\u003e","brand":"Zodiac","offers":[{"title":"Default Title","offer_id":48624880419028,"sku":"R0501300","price":439.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_68f0e27f-3720-4ee2-b7ee-6a7562c57f32.jpg?v=1788648884"},{"product_id":"sta-rite-s7d75-full-filter-grid-set-11-grids","title":"Filbur Sta-Rite S7D75 Full Filter Grid Set (11 Grids)","description":"\u003cp\u003eThe Filbur FS-3037 is a full eleven grid replacement set for the Sta-Rite System 3 S7D75 DE filter. It is grids only: the manifold, retainer and hardware from your existing element stay in service, and the new grids go on in place of the old ones.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is in the set\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThree offset port grids, one at 12-7\/16 in. and two at 13-13\/16 in., and eight center port grids, two each at 9-11\/16, 12-7\/16, 15-3\/16 and 16-1\/2 in. Every grid is 18 in. long. Together they replace the complete grid pack in the S7D75 tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm the filter is the S7D75. The larger System 3 S8D110 takes a thirteen grid set instead. While the tank is apart it is worth checking the 21 in. tank o-ring and replacing it if it has flattened or cracked.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48624884089044,"sku":"UNI-051-3037","price":225.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_8220d387-d4e7-40d8-a0cf-4184331eeb8a.jpg?v=1788649564"},{"product_id":"d-e-module-60-sqft-s7md60","title":"Sta-Rite DE Filter Module 60 sqft S7MD60","description":"\u003cp\u003eThe Sta-Rite 25023-0160S is the genuine 60 sq ft DE filter module for the System 3 S7MD60 modular DE filter. The System 3 uses a single module in place of the usual set of separate grids, so this one part replaces the entire filtering element.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE showing up back in the pool, pressure that rises fast after a fresh charge, or tears, cracks or a collapsed section on inspection all mean the module is done. Cleaning will not recover a torn module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDrain the tank, remove the old module, check the tank o-ring and seat the new module. Reassemble, restart the pump and add the DE charge for the S7MD60 through the skimmer.\u003c\/p\u003e","brand":"Sta-Rite","offers":[{"title":"Default Title","offer_id":48624959946964,"sku":"STA-06-276","price":509.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a301f4db-cde1-431b-b44a-9107563a47d7.jpg?v=1788656606"},{"product_id":"zodiac-r0501400-complete-grid-assembly-for-dev60-del60-filters","title":"Jandy Complete Grid Assembly for DEV60\/DEL60 Filters","description":"\u003cp\u003eThe Jandy R0501400 is the complete grid assembly for the DEV60 and DEL60 DE filters, the 60 sq ft models in the DEV and DEL series. It is the genuine Jandy part, also sold under the Zodiac name, and it replaces the entire grid set in the tank as one piece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace the assembly\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids wear from the fabric out. Tears and pinholes let DE back into the pool, scale that will not clean off blocks flow, and the result is short filter cycles and cloudy water no matter how often you backwash and recharge. A complete assembly restores full filter area in one swap.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm the model on the filter tank. R0501400 fits the DEV60 and DEL60 only. The 48 sq ft DEV48 and DEL48 use the R0501300 assembly.\u003c\/p\u003e","brand":"Zodiac","offers":[{"title":"Default Title","offer_id":48624989864148,"sku":"TLD-051-1402","price":532.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/R0501400_0485b4cc-a4ac-4dd7-95f6-ab8fb391b371.jpg?v=1788661488"},{"product_id":"18-36-sqft-de-grid-purex","title":"Unicel 18 in. 36 Sq Ft DE Grid","description":"\u003cp\u003eThe Unicel FG-1236 is a vertical DE filter grid rated at 36 sq ft, for Purex DE filters. It measures 10-3\/4 in. by 19-3\/8 in. and belongs to the 18 in. tall grid family, so measure the grid you are replacing before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it fits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt covers the Purex 2000 Series stainless DE filters, models SMBW 2024, 2036, 2048, 2060 and 2072 along with the 1018, 1027, 1036, 1045 and 1054 models, and the Purex 4000 Series molded DE filters in SM and SMBW models 4024, 4036 and 4048.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne grid or the set\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis listing is a single grid. Grids tend to fail together, since they share the same age and the same backwash cycles, and DE returning to the pool through the returns is the symptom. If more than one is torn, the complete 36 sq ft grid set is usually the better call.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48625841406164,"sku":"UNI-60-5201","price":21.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_9cf6cffb-8dc6-48c7-9b86-b979df45c516.jpg?v=1788701318"},{"product_id":"filter-element-cluster-assembly","title":"Hayward OEM 48 sqft DE Filter Element Cluster Assembly","description":"\u003cp\u003eThe Hayward DEX4800DC is the complete filter element cluster assembly for the Pro-Grid DE4820 DE filter. It is the genuine Hayward part and it comes as a finished assembly rather than a box of loose components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat comes in it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAll eight filter grids, the top manifold, the retainer rod and the bottom element locator. The grids stand 24 inches tall, which is the dimension to check against your filter before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich filters it fits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is the assembly for the Hayward Pro-Grid DE4820, and it fits a range of Hayward filters including the Micro-Clear 48 sqft DE filter. Both are 48 square foot vertical grid DE filters using the same 24 inch elements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhole cluster or single grids\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSingle grids can be replaced, and that is the right call when one has torn. Once several are damaged, or the manifold itself is cracked, the complete cluster is the better buy. It works out cheaper than buying the pieces separately and it leaves every element in the tank the same age, so they wear out together rather than one at a time.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48625844650196,"sku":"HAY-051-9436","price":656.51,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_041e5996-352c-4ae8-89e3-0326de817d57.jpg?v=1788701455"},{"product_id":"element-assembly-complete-60-sqft-1","title":"Pentair Element Assembly Complete 60 Sq Ft","description":"\u003cp\u003eThis is the complete 60 square foot element assembly for American Products Titan DE filters, supplied as the genuine Pentair part 59003100. It covers the Titan stainless steel and Titan CM filter bodies.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the grids matter\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter does its work through the layer of diatomaceous earth held on the fabric of the elements. Once that fabric tears, thins or pulls away from its frame, the powder washes through and comes back to the pool as a fine haze, and pressure readings stop making sense.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplace the set, not one grid\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBecause this is sold as the complete assembly, every element in the filter is the same age and the same condition when you close the lid. Mixing a single new grid into a worn set usually means opening the filter again within a season.\u003c\/p\u003e\u003cp\u003eCheck the square footage on your filter label first. The Titan family was built in several sizes and this assembly is the 60 square foot version.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626115215572,"sku":"AMP-051-1191","price":563.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_b503cf86-4fef-4c5c-87e1-79b9fe3c89f4.jpg?v=1788705023"},{"product_id":"hayward-dex7200dc-de7220-pro-grid-pool-filter-element-cluster","title":"Hayward DE7220 Pro-Grid Pool Filter Element Cluster","description":"\u003cp\u003eThe Hayward DEX7200DC is the filter element cluster assembly for the Pro-Grid vertical grid DE series DE7220 filter. It is the genuine Hayward part and it covers the full element set rather than a single grid.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the cluster is\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter works because the grids hold a coat of diatomaceous earth. The cluster is the assembled group of those grids, held in their correct spacing and ready to drop into the tank. Buying it as one assembly means every element in the filter is the same age and the same condition, which is how a DE filter is meant to run.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrids fail by tearing, by fabric thinning out, or by separating from the frame. The tells are DE dust returning to the pool after a recharge, pressure that rises again soon after a clean, and grids that will not come clean no matter how carefully they are rinsed. Once the fabric is compromised, patching one grid usually just moves the problem to the next one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis cluster is for the DE7220 size. Check the model number on the filter label before ordering, because the Pro-Grid line runs across several tank sizes and the clusters are not interchangeable between them.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48626222661844,"sku":"HAY-051-1487","price":1065.82,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/HAY-051-1487_1a.png?v=1788706499"},{"product_id":"13-3-8-ec65-flex-tube","title":"Hayward 13-3\/8\" EC65 Flex Tube, 5 Pack","description":"\u003cp\u003eHayward ECX1031PAK5 is a five pack of flex-tube assemblies for the Perflex EC65 extended-cycle DE filter. Each tube measures 13-3\/8 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the flex tubes do\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA Perflex filter works by holding a coating of diatomaceous earth on a nest of flexible tubes. The DE does the filtering, the tubes give it something to hold onto, and the bump handle shakes the coating loose and redistributes it. Once a tube splits or the fabric goes slack, water takes the easy path through the gap and dirt goes back to the pool.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuying in fives\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTubes in a nest see the same water and the same bump cycles, so they tend to fail in groups rather than one at a time. The five pack is the practical way to refresh a section of the nest in a single order.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48626357895380,"sku":"HAY-051-1831","price":37.34,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e146a312-e2d2-43e9-9825-91c7165b045c.jpg?v=1788709201"},{"product_id":"s8d110-full-filter-grid-set-13-grids","title":"Unicel S8D110 Full Filter Grid Set, 13 Grids","description":"\u003cp\u003eThe Unicel FS-3053 is the full replacement grid set for the Sta-Rite System 3 S8D110 DE filter. It contains all thirteen grids the tank takes: three FG-3916, two each of FG-3011, FG-3015 and FG-3016, and four FG-3019.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy replace the whole set\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids are fabric over a frame, and the fabric is what holds the powder that does the filtering. Once the cloth thins, tears at a seam or pulls away from the frame, DE blows straight through into the pool and pressure never settles where it should. Because every grid in a tank has done the same hours, changing one at a time tends to be a series of return trips.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrids only. The manifold, standpipe, tank o-ring and clamp are separate parts, so inspect them while the tank is open and order anything that looks tired at the same time.\u003c\/p\u003e\u003cp\u003eIf your filter is the smaller System 3 S7D75, it takes an eleven grid set instead of this one.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48626387615956,"sku":"UNI-051-3053","price":324.77,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_13d8d9dd-48b0-46da-b88d-b4f0875fc798.jpg?v=1788709644"},{"product_id":"filter-element-cluster-assembly-1","title":"Hayward DE2420 Filter Element Cluster Assembly","description":"\u003cp\u003eThe Hayward DEX2420DC is the complete filter element cluster assembly for the DE2420 Pro-Grid vertical grid DE filter. It is the genuine Hayward part, supplied as the full grid set rather than an individual element.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the whole cluster\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids age together. When the fabric on one has torn, the rest of the set has taken the same years of pressure cycles, backwashes and chemistry. Replacing them one at a time usually means opening the filter again the following season. Fitting the complete cluster resets the filter in a single job.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe symptoms\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE powder coming back into the pool through the returns is the clearest sign of a failed grid. Water that stays hazy no matter how carefully the filter is charged, or pressure that climbs back up within days of a backwash, point the same way.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48626477039828,"sku":"HAY-051-2429","price":523.22,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_e63b0c0f-57f0-46dc-be8b-ad608c002104.jpg?v=1788710676"},{"product_id":"24-48-sq-ft-de-grid","title":"Unicel 24 in., 48 Sq. Ft. DE Grid","description":"\u003cp\u003eThe Unicel FG-1248 is a vertical DE filter grid in the Purex style, rated at 48 square feet of filter area. It measures 10-3\/4 in. across by 25-3\/8 in. tall and is listed under the 24 in. grid size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the grid does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrids stack inside the assembly of a DE filter. Each one is a fabric covered frame, and the diatomaceous earth coat that clings to that fabric is what actually filters the water. When the fabric tears or the frame cracks, DE blows straight through into the pool and the filter stops behaving the way it should.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the size first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrid sizes vary within a filter family, so measure the grid you are pulling out against the 10-3\/4 in. by 25-3\/8 in. dimensions rather than ordering from the filter model alone. This grid is listed with the Purex 2000 Series stainless DE filters and the Purex 4000 Series molded DE filters.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48626707005652,"sku":"UNI-60-1248","price":26.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_dc365eab-52fc-49c9-92a3-83551eec11d7.jpg?v=1788713912"},{"product_id":"grid-19-3-4-4-req-st40-st50","title":"Pentair Turbo 66 ST40\/ST50 Full Grid, 19-3\/4\"","description":"\u003cp\u003eThe Pentair 191322 is a full DE filter grid in the 19-3\/4 inch size. It fits Pentair Star and Star Polymeric ST40\/50 pool and spa DE filters and PacFab Turbo 66 filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne grid, four needed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis listing is a single grid. The filter takes four, so order accordingly if you are replacing a whole set. Mixing an old grid in with new ones usually means coming back to the job sooner than you wanted.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow it is built\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHeavy duty polyester over a reinforced core. The core holds the shape under flow and the fabric carries the DE coat, which is what does the actual filtering. Rated to catch particles as small as 2 to 5 microns.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy grids matter to the pump\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA grid that has torn, collapsed or clogged makes the pump work against pressure it was not meant to fight. Fresh grids let water through the way the filter was designed to, which takes load off the pump.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626842173652,"sku":"PAC-051-8130","price":55.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_0bd3300d-0348-4369-94b9-9c8b849af52b.png?v=1788715767"},{"product_id":"60-sq-ft-filter-grid-each-large","title":"Unicel 60 Sq. Ft. Filter Grid, Large, FG-1005","description":"\u003cp\u003eThe Unicel FG-1005 is the large DE filter grid for 60 square foot filters, a 30 in. vertical element. It is sold individually.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the grid does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter does not filter with the tank, it filters with the diatomaceous earth held on the grid fabric. The grids are simply the frame and cloth that carry that coat. When the fabric tears, thins or pulls away from the seam, the DE washes straight through and settles on the pool floor as a fine grey dust.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is one large grid. A full 60 square foot filter uses a set of grids, so check how many large elements your tank carries and order accordingly. Because they all run the same hours, it is worth inspecting every grid in the set while the filter is open rather than replacing one at a time.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48626858524884,"sku":"UNI-60-5193","price":30.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_f6a95c10-ec52-489c-8939-561ac78567af.jpg?v=1788715918"},{"product_id":"24-sqft-grid-assembly-complete","title":"Pentair 24 sqft Grid Assembly Complete","description":"\u003cp\u003ePentair 59023800 is the complete 24 square foot grid assembly for FNS Plus DE filters. It is also listed under the Titan RPM DE filter parts, and one Pentair listing describes it as the RPM and FNS Plus grid assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the grids do\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter does not filter with its tank. Diatomaceous earth coats the fabric on the grids, and that coating is the filter medium. Once the fabric tears or the grid frame distorts, DE escapes into the pool and the filtration goes with it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatching the size\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE filters are sized by square footage and the grid assembly has to match. This one is the 24 sqft assembly. Check the rating on the filter label before ordering, since the same family is built in several sizes.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627347128532,"sku":"AMP-051-1359","price":399.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_97dfeb2c-f9c7-4b43-96a6-608673182e1b.jpg?v=1788722736"},{"product_id":"de-grid-17-5x-24-anthony-filters","title":"Unicel DE Grid 17.5\" x 24\" for Anthony Filters","description":"\u003cp\u003eThe Unicel FG-2417 is a replacement DE filter grid measuring 17-1\/2 inches by 24 inches, built as a rectangle with a center hub port. It fits Anthony DE filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the grid does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids are the fabric elements the diatomaceous earth coats. That coat is what actually filters the water, and the grid is the frame and cloth that holds it in place. When the cloth tears or a seam separates, the DE has nowhere to sit and washes straight through into the pool.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSigns it is time\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE returning to the pool after a charge, cloudy water that will not clear, or a filter that runs at unusually low pressure all point at a grid problem. Pull the set and look for splits and thin, worn fabric.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacing\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrids live in a matched set inside the filter. Fit the same size back in, and if the rest of the set is the same age and visibly worn, changing all of them at once avoids a second teardown.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48627737493716,"sku":"UNI-60-5263","price":25.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_954e4ab6-042c-4540-8e12-b5e3a2526a6a.jpg?v=1788727546"},{"product_id":"grid-8-1-2-x-18-4-required","title":"Jacuzzi DE Filter Grid 8-1\/2\" x 18\" (4 Required)","description":"\u003cp\u003eThis is the Jacuzzi 42212316R DE filter grid, 8-1\/2 in by 18 in. Four of them are required in the grid set, alongside the narrower grids that make up the rest of the assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it fits\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe grid is used in the Jacuzzi Avalanche DE filters AV-40, AV-60, AV-80 and AV-100, the Landslide LS40, LS55 and LS70, and the original style Earthworks EW75, EW100, EW125 and EW150.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace a grid\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids fail at the fabric. A tear, a split seam or a face that will no longer clean up all have the same result: DE powder passes through instead of being held, and it returns to the pool through the returns. Since grids age together, it is worth inspecting the whole set while the tank is open.\u003c\/p\u003e","brand":"Jacuzzi Bros.","offers":[{"title":"Default Title","offer_id":48627875217620,"sku":"JAC-051-8822","price":51.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_00004328-39f6-46d8-bebb-84316032f554.jpg?v=1788729488"},{"product_id":"pentair-195182-grid-assy-complete-fns24","title":"Pentair 195182 Complete DE Grid Assembly for FNS 24","description":"\u003cp\u003eThe Pentair 195182 is the complete DE grid assembly for the Nautilus FNS 24 filter. It is the genuine Pentair part and it covers the full set of grids rather than a single element.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the grids matter\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter does its work in the layer of diatomaceous earth held on the grid fabric. The grids themselves are just the frame and the cloth that carry that layer. When the fabric tears, thins or pulls away from the frame, the DE washes through and ends up back in the pool, and the filter loses the fine filtration it was chosen for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy replace the set\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrids in a tank all see the same chemistry, the same backwashes and the same running hours, so they wear together. Dropping one new grid into a set of tired ones loads it unevenly and leaves you doing the job again shortly after. Replacing the assembly puts the filter back to a known state.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the model first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Nautilus FNS range runs from the FNS 24 up to the FNS 60. This assembly is for the 24 only, so read the model on the filter label before ordering.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627926073556,"sku":"PSU-68704","price":525.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d19d34ab-5467-42ac-822d-0c220182038f.png?v=1788729913"},{"product_id":"grid-8-1-2-x-12-4-required","title":"Jacuzzi DE Filter Grid 8-1\/2\" x 12\" (4 Required)","description":"\u003cp\u003eJacuzzi 42356907R is the 8-1\/2\" by 12\" DE filter grid used in the Landslide LS40 and Avalanche AV40 filters. Four of this size are required, out of the 6 grids the filter holds in total.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the grid does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter does not filter through the grid itself. The grid is a frame with a fabric skin, and the diatomaceous earth you add coats that fabric. The coating is the filter medium. The grid just has to hold it evenly and stay intact under flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace one\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA tear or a seam split lets DE pass straight through, which comes back as powder in the pool and a return that never quite clears after a recharge. Check each grid against the light with the manifold out. Because grids age together, a set that is starting to fail in one place is usually not far off failing elsewhere, and replacing a single grid alongside five worn ones often means opening the filter again before long.\u003c\/p\u003e","brand":"Jacuzzi Bros.","offers":[{"title":"Default Title","offer_id":48627955138772,"sku":"JAC-051-2684","price":44.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_61ec1709-4416-4387-84eb-5a5e8b9b801e.jpg?v=1788730929"},{"product_id":"element-assembly-complete-48-sqft","title":"Pentair Titan DE Filter Element Assembly Complete, 48 sq ft","description":"\u003cp\u003ePentair 59002500 is the complete DE element assembly, rated at 48 square feet, for the American Products Titan DE filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat you get\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the full element cluster rather than a single grid, so the filter goes back together with a matched set of new fabric on it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grids fail by tearing or thinning, and the symptom is DE returning to the pool every time you recharge the filter. Owners often try a single replacement grid first. It works, but only until the next worn grid goes, because every grid in the tank has run the same hours. Renewing the assembly settles it in one job.\u003c\/p\u003e\u003cp\u003eElement assemblies are sized to the tank, so check that your filter takes the 48 square foot set before ordering.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628773159124,"sku":"AMP-051-1185","price":517.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_406f6799-4dc0-41ba-bb20-d49edb68b848.jpg?v=1788750451"},{"product_id":"30-60-sqft-de-grid","title":"Unicel 30\", 60 Sq Ft DE Grid","description":"\u003cp\u003eThe Unicel FG-1260 is a vertical DE filter grid rated at 60 square feet, made to replace the original element in Purex DE filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSizing\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe source lists it as a 30 inch grid and gives the measurements as 10-3\/4 inches by 31-5\/16 inches. Those two readings do not agree exactly, so measure the grid you take out rather than ordering on the name. Getting it wrong on a set of grids is an expensive mistake.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is listed for Purex 2000 Series stainless DE filters, covering the SMBW 2024, 2036, 2048, 2060 and 2072 and the 1018, 1027, 1036, 1045 and 1054, and for Purex 4000 Series molded SM and SMBW filters in 4024, 4036 and 4048 sizes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBuying a set\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter runs a full complement of grids and they wear at much the same rate. When one has gone thin or split from age, the rest are rarely far behind, so plan on a complete set unless a single grid was damaged by something specific.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48628786102484,"sku":"UNI-60-5203","price":34.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_990b5d4d-c7b0-4c06-b1de-62653f1daeea.jpg?v=1788750647"},{"product_id":"grid-7-x-18-2-required","title":"Jacuzzi DE Filter Grid 7\" x 18\" (2 Required)","description":"\u003cp\u003eJacuzzi 4638-03B is a 7 inch by 18 inch DE filter grid. Two are required, and it is listed for the Jacuzzi Earthworks original style filters, models EW75, EW100, EW125 and EW150.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat a grid does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter does not filter with the grid itself. The grid is a fabric covered frame, and the diatomaceous earth you add through the skimmer coats that fabric. The coat is the filter. The grid just holds it in the right shape and lets clean water pass through to the manifold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy they fail\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrid fabric wears at the seams and tears where debris has been trapped against it. Once a grid is open, DE goes straight through it and back to the pool, which is why fine white powder on the floor after a recharge points at the grid stack. Pull the stack, rinse it and look for damage before you replace anything.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the narrower of the two sizes in the stack, and the wider grids are a separate part. Count and measure what you are removing.\u003c\/p\u003e","brand":"Jacuzzi Bros.","offers":[{"title":"Default Title","offer_id":48628806549716,"sku":"JAC-051-8823","price":49.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_bc3dbb31-36c5-4458-94ab-aad642b37b89.jpg?v=1788751907"},{"product_id":"dev60-grid-set-assembly","title":"Jandy Complete Set of OEM DEV60 Grids","description":"\u003cp\u003eThe Jandy R0442600 is the complete grid set for the DEV60 DE filter. It is the genuine Jandy assembly: seven full size grids and one partial, 30 in. tall, making up the 60 sq ft element.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the whole set\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGrids are the surface the diatomaceous earth clings to. Over years of backwashing and recharging, the fabric thins and eventually splits. When one grid goes, the rest are usually close behind, which is why the set is sold complete rather than by the piece.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe symptom\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE finding its way back into the pool is the sign owners notice first, typically a fine white powder on the floor after the filter has been recharged. Cracked manifolds cause the same thing, so it is worth inspecting the manifold while the tank is open.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis set is for the Jandy DEV60. Confirm the model on the filter label before ordering, since the grid height differs between DE filter sizes.\u003c\/p\u003e","brand":"Waterpik Technologies","offers":[{"title":"Default Title","offer_id":48628829356244,"sku":"POL-051-1401","price":609.01,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_7050ce94-7e53-4e3e-a353-7a29b7059421.jpg?v=1788753543"},{"product_id":"d-e-grid-15-3-16x-18","title":"Unicel D.E. Grid 15-3\/16\" x 18\"","description":"\u003cp\u003eThe Unicel FG-3015 is a rectangular DE filter grid measuring 15-3\/16 inch by 18 inch, with the exit port at the top center. It is catalogued with the Sta-Rite System 3 DE filters, models S7D75 and S8D110.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow it is built\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUnicel rectangular grids use a reinforced center core, which is what stops the grid from folding under the pressure of a loaded filter. The core is covered in polypropylene cloth that resists mildew and rot, and the seams are stitched with chemical resistant heavy duty string and then sonic welded so they will not fray in service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA grid that is torn, worn thin, split at a seam or bent at the core will pass DE straight into the pool. The giveaway is a dusting of powder on the floor after every recharge. Measure the old grid and check the port position before you order, since a DE filter takes a set of grids in more than one size.\u003c\/p\u003e","brand":"Unicel Filter Cartridges","offers":[{"title":"Default Title","offer_id":48628835483860,"sku":"UNI-60-5518","price":34.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_079a28cc-6e6b-4199-aba3-d0dc10c878d9.gif?v=1788753813"},{"product_id":"60-sq-ft-filter-grid-each-large-1","title":"SuperPro 60 Sq. Ft. Filter Grid Each, Large","description":"\u003cp\u003eThe SuperPro FC-9350 is the full size vertical DE filter grid for 60 sq ft filters, measuring 11 inches by 30 inches. It is sold individually, and a complete set calls for seven of these full grids.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the grid does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA DE filter works by holding a coat of diatomaceous earth on the fabric of the grids. That powder layer is what actually filters the water, down to a far finer particle than sand or a cartridge will catch. The grid itself is only the frame and fabric that holds the coat in place.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOnce the fabric tears, thins, or hardens with age, the DE coat cannot hold. The symptom owners notice is powder blowing back into the pool through the returns after recharging, and water that never quite clears. Pull the grid pack and inspect every element; a tear at a seam or along the top edge is easy to miss.\u003c\/p\u003e\u003cp\u003eGrids are sold one at a time so a single failure does not mean a full set. That said, if several elements have aged together, replacing the whole pack usually restores filtration better than patching in one new grid among old ones.\u003c\/p\u003e","brand":"PoolStyle","offers":[{"title":"Default Title","offer_id":48629533311188,"sku":"SPG-051-0113","price":38.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_1ffece46-10ee-4b40-a092-932d778fa576.jpg?v=1788766083"},{"product_id":"60-sq-ft-filter-grid-each-small","title":"SuperPro 60 Sq. Ft. Filter Grid Each, Small","description":"\u003cp\u003eThe SuperPro FC-9450 is the partial size vertical DE filter grid for 60 sq ft filters, measuring 9-3\/4 inches by 30 inches. It is sold individually.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy a set has a narrow grid in it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDE grid packs are built from full width elements plus one narrower partial grid. The partial is what lets the pack close up neatly inside a round tank. It is the same 30 inch height as the full grids but narrower, and the two are not interchangeable, so ordering the wrong one leaves you with a pack that will not seat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe grid fabric is what holds the DE coat that does the actual filtering. When it tears, thins or goes hard with age, the coat cannot hold and powder blows back through the returns after a recharge while the water stays cloudy.\u003c\/p\u003e\u003cp\u003eTake the pack out and inspect every element rather than assuming the visible one is the only failure. Seams and top edges are where tears usually start.\u003c\/p\u003e","brand":"PoolStyle","offers":[{"title":"Default Title","offer_id":48629533343956,"sku":"SPG-051-0123","price":37.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_d6b41304-530c-45e8-8ad4-75029748954c.jpg?v=1788766087"}],"url":"https:\/\/www.activepoolsupply.com\/collections\/de-filter-grids.oembed","provider":"Active Pool Supply","version":"1.0","type":"link"}