{"product_id":"pentair-starite-s8m150-large-and-small-cartridge-filter-pack-250210202s-250220203s","title":"Pentair Sta-Rite S8M150 Large and Small Cartridge Filter Pack 25021-0202S \u0026 25022-0203S","description":"\u003cp\u003eThe Pentair 170147 is the complete replacement cartridge pack for the Sta-Rite System:3 S8M150 modular media filter. It pairs the large outer cartridge, 25022-0203S, with the small inner cartridge, 25021-0202S, so one order refreshes the whole filter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMade for the S8M150\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe S8M150 is the 259 sq ft System:3 filter. Its two cartridges nest inside one another, and this pack supplies both in the correct sizes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCartridges are cleaned many times before they are done, but eventually a hose down no longer brings the starting pressure back to where it was, or the pleats tear and collapse. That is the point to fit a new set. Because the two cartridges age together, most owners replace both at once.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConfirm your filter is the S8M150. While the tank is open, check the tank o-ring, the drain plug and the air bleeder so you only open it once.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624921575636,"sku":"STA-051-6580","price":734.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_48e6df7d-2526-4b3c-a347-09d28e76fa41.png?v=1788653576","url":"https:\/\/www.activepoolsupply.com\/products\/pentair-starite-s8m150-large-and-small-cartridge-filter-pack-250210202s-250220203s","provider":"Active Pool Supply","version":"1.0","type":"link"}