{"product_id":"pleatco-x15-ult-a5-m-q4-xtreme-blue-a5-replacement-filter-cartridge-4-per-pack-for-use-with-clean-clear-plus-320","title":"SuperPro Xtreme Blue A5 Replacement Filter Cartridge 4 Per Pack, for Clean \u0026 Clear Plus 320, X15-ULT-A5-M-Q4","description":"\u003cp\u003eThis is a four pack of Xtreme Blue A5 replacement filter cartridges for the Clean and Clear Plus 320 cartridge filter, part number X15-ULT-A5-M-Q4.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the four pack\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Clean and Clear Plus 320 runs a set of cartridges rather than a single element. Buying the set means the whole tank goes back together with cartridges of the same age, which is the point: a filter shares its work evenly only when every element has the same amount of life left. Drop one new cartridge into three old ones and the new one takes the brunt.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKnowing when to replace\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCleaning a cartridge buys back most of its capacity, right up until it does not. Once a thorough clean no longer returns the filter gauge to its clean starting pressure, or the pleats are matted, torn or permanently stained, the element is done and no amount of soaking will bring it back.\u003c\/p\u003e","brand":"SuperPro","offers":[{"title":"Default Title","offer_id":48628848918740,"sku":"SPG-051-2509","price":346.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_0b738b1d-be3c-44af-b5db-4c5d674ede8e.jpg?v=1788755262","url":"https:\/\/www.activepoolsupply.com\/products\/pleatco-x15-ult-a5-m-q4-xtreme-blue-a5-replacement-filter-cartridge-4-per-pack-for-use-with-clean-clear-plus-320","provider":"Active Pool Supply","version":"1.0","type":"link"}