{"product_id":"pentairstaritesystem3filtercartridge136sf250210223spen250210223s","title":"Pentair Sta-Rite System3 Small Inner Cartridge S7M400 | 25021-0223S","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eKeep your \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSta-Rite System:3 S7M400\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e filter operating with the correctly sized inner cartridge. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePentair 25021-0223S\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e136-square-foot inner replacement module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e that fits inside the S7M400’s larger outer cartridge. It replaces the inner element when the existing media is damaged, worn, or no longer cleans effectively.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe S7M400 uses \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo separate cartridges\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for a combined \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400 sq. ft. of filtration area\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: this 136 sq. ft. inner cartridge and a 264 sq. ft. outer cartridge. This listing is for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003einner cartridge only\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Check both elements during filter service and replace either one as needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGenuine Pentair \/ Sta-Rite replacement cartridge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e136 sq. ft.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e of inner filter media\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSystem:3 S7M400\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e modular media filter\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaces the smaller cartridge at the center of the filter assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSold individually so the inner element can be replaced without purchasing the outer element\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCompatibility \u0026amp; Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePentair \/ Sta-Rite\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePart number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25021-0223S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInner filter cartridge\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFilter series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSystem:3 modular media\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCompatible model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eS7M400\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFiltration area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e136 sq. ft.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMatching outer cartridge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25022-0224S, sold separately\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eComplete S7M400 filter area\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400 sq. ft. with both cartridges installed\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConfirm “S7M400” on your filter’s model label before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Other System:3 models use different inner cartridges, even when their tanks look similar.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCleaning \u0026amp; Replacement\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTurn off the pump and release all pressure through the filter’s air relief valve before opening the tank. Remove the cartridge according to the filter manual, then inspect the pleats and end caps. Rinse debris from the media as directed by Pentair. Replace the element if the media is torn, the end caps are damaged, or cleaning no longer restores acceptable filter performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring reassembly, inspect the outer cartridge, tank seal, and clamp components. Seat both cartridges correctly and follow the filter’s startup procedure, including releasing trapped air. If you need both S7M400 elements, order \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25021-0223S\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for the inner cartridge and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25022-0224S\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for the outer cartridge.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this the inner or outer S7M400 cartridge?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e136 sq. ft. inner cartridge\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it include the larger cartridge?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e264 sq. ft. outer cartridge\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, part \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25022-0224S\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, is sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill it fit an S7M120 or S8M500?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. Pentair assigns those filter models different inner cartridge part numbers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDo I need to replace both cartridges at the same time?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eInspect and clean both. Replace each cartridge based on its condition; this part is available individually.\u003c\/span\u003e\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762362183990,"sku":"PEN250210223S -H","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PEN250210223S_0.jpg?v=1755534903","url":"https:\/\/poolsupplydepot.net\/products\/pentairstaritesystem3filtercartridge136sf250210223spen250210223s","provider":"Pool Supply Depot","version":"1.0","type":"link"}