{"product_id":"hf-str3-300s7-set-advanced-pool-filter-cartridge-inner-and-outer-21-set-replacement-for-300-sq-ft-sta-rite-25021-0200s-25022-0201s-system-3-s7m120-set","title":"HF-STR3-300S7-SET Advanced Pool Filter Cartridge Inner and Outer 21\" Set - Replacement for 300 Sq. Ft. Sta-Rite 25021-0200S \u0026 25022-0201S System 3 S7M120 Set","description":"\u003cdiv\u003e\n\u003ch1\u003eHF-STR3-300S7-SET Premium Cartridge Replacement\u003c\/h1\u003e \u003ch2\u003eIntro\u003c\/h2\u003e\n\u003cp\u003eThe HF-STR3-300S7-SET from Hurricane Pool Filters is a complete inner and outer cartridge replacement engineered for Sta-Rite System 3 S7M120 pools and spas. This 300 sq ft kit combines a 24-inch inner cartridge with a 18-inch outer cartridge, delivering a total of 300 sq ft of filtration media. Built to tight tolerances for a seamless, plug-and-play fit, it restores peak filtration performance and water clarity.\u003c\/p\u003e \u003ch2\u003eList of Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-spec fit\u003c\/strong\u003e for Sta-Rite System 3 S7M120 (25021-0200S inner, 25022-0201S outer) with exact 24\" inner length and 18\" outer length.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e300 sq ft total media\u003c\/strong\u003e: 100 sq ft inner, 200 sq ft outer, delivering robust debris capture and longer run cycles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdvanced point-bond media\u003c\/strong\u003e provides tighter filtration than standard trilobal or non-woven options, trapping biomass, dirt, hair, leaves and fine particulates.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e with reinforced pleats and end caps resists clogging, supports easy backwashing, and extends filter life between maintenance cycles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSA-made\u003c\/strong\u003e with domestic production and max-flow cores for reliable performance, faster shipping, and consistent quality control.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFinal Thoughts\u003c\/h2\u003e\n\u003cp\u003eChoose HF-STR3-300S7-SET for a durable, high-efficiency replacement that restores clear, hygienic water and lowers ongoing filter costs. Add to cart today to secure a dependable, domestically produced solution that keeps your pool or spa sparkling all season long.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hurricane Pool Filters","offers":[{"title":"Default Title","offer_id":51498198958397,"sku":"HF-300S7-SET","price":386.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/3611\/6541\/files\/HF-STR_SET_Main_9ac45bce-2601-4383-8411-9fd68b8aab1a.png?v=1773519489","url":"https:\/\/www.duckiespoolsupply.com\/products\/hf-str3-300s7-set-advanced-pool-filter-cartridge-inner-and-outer-21-set-replacement-for-300-sq-ft-sta-rite-25021-0200s-25022-0201s-system-3-s7m120-set","provider":"Duckies Pool Supply","version":"1.0","type":"link"}