{"product_id":"3m-aqua-pure-ap431-scale-inhibition-replacement-cartridge","title":"3M Aqua-Pure AP431 Scale Inhibition Replacement Cartridge","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3M Aqua-Pure AP431\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a whole-house scale inhibition replacement cartridge designed for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAqua-Pure AP430SS system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It uses polyphosphates to help inhibit scale buildup in hot water heaters, tankless water heaters, boilers, and downstream plumbing fixtures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe cartridge helps maintain water-heating efficiency by reducing scale buildup on heating elements. It is designed for easy replacement and supports flow rates of up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10 GPM\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it suitable for whole-house water treatment applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAqua-Pure AP430SS Whole House Scale Inhibition System\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHelps inhibit scale buildup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePolyphosphate scale protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUp to 10 GPM flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy cartridge replacement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps maintain heater efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e AP431\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eType:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Scale Inhibition Cartridge\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFlow Rate:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to 10 GPM\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 25–125 PSI\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTemperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 40–100°F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eRecommended Replacement\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReplace approximately every \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4–6 months\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, depending on water conditions and usage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible With\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e3M Aqua-Pure AP430SS\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fine Filters","offers":[{"title":"Default Title","offer_id":43156703510622,"sku":null,"price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0013\/3067\/5769\/files\/Screenshot2026-08-13230834.jpg?v=1786644543","url":"https:\/\/finefiltersstore.com\/products\/3m-aqua-pure-ap431-scale-inhibition-replacement-cartridge","provider":"Fine Filters","version":"1.0","type":"link"}