{"product_id":"spa-filter-cartridge-replacement-pww35l-4ch-935-pma-r3","title":"Spa Filter Cartridge Replacement PWW35L 4CH-935 PMA-R3","description":"\n\u003ch2\u003eCrystal-Clear Water Starts with the Right Filter\u003c\/h2\u003e\n\u003cp\u003eKeep your spa or swimming pool sparkling clean with this high-performance \u003cstrong\u003eReplacement Spa Filter Cartridge\u003c\/strong\u003e, compatible with PWW35L, 4CH-935, and PMA-R3 filter systems. Engineered with premium trilobal filtration fabric, this cartridge delivers superior debris capture — removing leaves, hair, sand, oil, and fine particles to maintain pristine, crystal-clear water all season long.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-End Trilobal Filtration Fabric:\u003c\/strong\u003e Dense, high-quality material captures up to 3x more debris than standard filter options, keeping water cleaner for longer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficient All-Around Filtration:\u003c\/strong\u003e Effectively traps leaves, hair, sand, fine dust, and oils — ideal for both spas and swimming pools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Replacement Fit:\u003c\/strong\u003e Designed as a drop-in replacement for PWW35L, 4CH-935, and PMA-R3 filter systems — no modifications needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Measures approximately 8½ inches, built to withstand regular use and maintain consistent water flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Simple to remove, rinse, and reinstall, making pool and spa upkeep quick and hassle-free.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat Value:\u003c\/strong\u003e A cost-effective way to extend the life of your spa or pool filtration system and protect your equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e PWW35L, 4CH-935, PMA-R3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Trilobal Filtration Fabric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Approx. 8½ inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Spas, Hot Tubs, Above-Ground Swimming Pools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Regular Filter Replacement Matters\u003c\/h3\u003e\n\u003cp\u003eMaintaining a clean filter is one of the most important steps in pool and spa care. A clogged or worn filter reduces water circulation, strains your pump, and allows contaminants to build up. Replacing your filter cartridge regularly ensures optimal water quality and protects your investment. For more guidance on pool and spa water safety, visit the CDC Healthy Swimming resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which spa and pool filter systems is this cartridge compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This replacement spa filter cartridge is designed to be fully compatible with PWW35L, 4CH-935, and PMA-R3 filter systems. It is a direct drop-in replacement, requiring no tools or modifications for installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What makes the trilobal filtration fabric better than standard filter material?\u003c\/h4\u003e\n\u003cp\u003eA: Trilobal filtration fabric features a higher thread density and a unique three-lobed fiber structure that captures significantly more debris — including fine particles like sand and oils — compared to standard flat-fiber filter material. This means cleaner water and longer intervals between cleanings.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How often should I replace my spa or pool filter cartridge?\u003c\/h4\u003e\n\u003cp\u003eA: Generally, spa and pool filter cartridges should be rinsed every 2–4 weeks and fully replaced every 12–24 months, depending on usage frequency and water conditions. Regular replacement ensures peak filtration performance and protects your pump from strain.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this filter cartridge be rinsed and reused?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this cartridge can be rinsed with a garden hose between uses to remove accumulated debris and extend its service life. For a deeper clean, periodic soaking in a filter cleaning solution is recommended before an eventual full replacement.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which spa and pool filter systems is this cartridge compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This replacement spa filter cartridge is designed to be fully compatible with PWW35L, 4CH-935, and PMA-R3 filter systems. 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