{"product_id":"poolpure-c-6430-spa-filter-30-sq-ft-replacement-for-31489-pwk30-fc-3915-3-pack","title":"POOLPURE C-6430 Spa Filter 30 sq ft – Replacement for 31489, PWK30, FC-3915 (3 Pack)","description":"\u003ch2\u003eEnhance spa water clarity with a trusted replacement filter\u003c\/h2\u003e\n\u003cp\u003eMeet the POOLPURE C-6430 Spa Filter, a compatible cartridge designed to fit a wide range of popular spa brands. With a generous 30 square feet of filtration area and Trilobal Filtration Fabric, this filter is built to help capture hair, leaves, dust, and fine sediment as water advances through the system. It is engineered for steady performance in everyday spa use and can help maintain a inviting, clear water look without requiring extra steps from you.\u003c\/p\u003e\n\u003cp\u003eConstructed to maximize surface area, the trilobal fabric promotes a more efficient filtration path. The result can be consistent flow through your filter housing and reliable water clarity, even during busy spa sessions. The design emphasizes practical maintenance: the fabric is engineered for easier debris capture and release, so cleaning remains straightforward when you schedule a routine cartridge refresh.\u003c\/p\u003e\n\u003ch3\u003eKey specifications you may notice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFiltration area: 30 square feet\u003c\/li\u003e\n  \u003cli\u003eFilter length: 10 1\/2 inches; outside diameter: 5 7\/8 inches\u003c\/li\u003e\n  \u003cli\u003eTop and bottom opening: 1 15\/16 inches\u003c\/li\u003e\n  \u003cli\u003eFiltration material: Trilobal fabric\u003c\/li\u003e\n  \u003cli\u003eFiltration efficiency: approximately 50 microns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertification, trust, and real-world use\u003c\/h3\u003e\n\u003cp\u003eThis filter is certified under NSF\/ANSI 50, a mark of tested safety and performance for pool and spa filtration. POOLPURE is a member of the Pool \u0026amp; Hot Tub Alliance, underscoring a commitment to industry standards and durable results. Real-world testing and media attention, including coverage by NBC Local, highlight a focus on dependable water quality in demanding environments.\u003c\/p\u003e\n\u003ch3\u003eCompatibility, care, and practical notes\u003c\/h3\u003e\n\u003cp\u003eThis is a compatible replacement for models such as Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, and the 73178\/73250\/71825 line, among others. As an independent brand, POOLPURE emphasizes fit and performance while noting that original manufacturer names and part numbers are provided for reference only. A quick fit check ensures your cartridge size and openings align with the C-6430 pattern.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot designed for backwashing; attempting to backwash may cause cracks or permanent damage.\u003c\/li\u003e\n  \u003cli\u003eSold as a 3-pack for convenient replacements and consistent maintenance planning.\u003c\/li\u003e\n  \u003cli\u003eTo keep filtration at peak, perform monthly cleaning based on spa usage and water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn short, the POOLPURE C-6430 offers a practical path to clearer spa water, with broad model compatibility, certified safety, and a maintenance-friendly design. The three-pack format provides ongoing replacement value for regular spa care, helping you stay on top of filtration without guesswork.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the POOLPURE C-6430 compatible with my spa model?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This filter replaces models like 31489, PWK30, Unicel C-6430, Filbur FC-3915, and 71825–73250; verify your cartridge size and openings to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I backwash this filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not designed for backwashing; backwashing may crack or permanently damage the cartridge.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":48213674983668,"sku":"B07TC58XBG","price":68.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/poolpure-c6430-spa-filter-close-up-trilobal-fabric.jpg?v=1778480022","url":"https:\/\/www.cerapatiogarden.com\/products\/poolpure-c-6430-spa-filter-30-sq-ft-replacement-for-31489-pwk30-fc-3915-3-pack","provider":"Cera Garden","version":"1.0","type":"link"}