{"product_id":"poolpure-c-6430-spa-filter-5-pack-replaces-watkins-31489-pwk30-filbur-fc-3915-30-sq-ft","title":"POOLPURE C-6430 Spa Filter 5-Pack | Replaces Watkins 31489, PWK30, Filbur FC-3915 | 30 sq ft","description":"\u003ch2\u003eUpgrade Your Spa Filtration with PoolPure C-6430\u003c\/h2\u003e\n\u003cp\u003eThe POOLPURE C-6430 Spa Filter is a reliable, independent-brand replacement designed to fit a range of popular cartridges. It serves as a 30 sq ft filtration cartridge compatible with Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, and several related part numbers. While the product name reflects an independent brand, the goal is to provide a direct replacement option that helps maintain clear water and smooth spa performance without guessing at fitment.\u003c\/p\u003e\n\u003ch3\u003eCore filtration capacity and materials\u003c\/h3\u003e\n\u003cp\u003eCrafted with trilobal filtration fabric, this cartridge delivers an expanded surface area, promoting efficient particle capture while maintaining steady flow. The cartridge targets a 50-micron level of filtration, helping to trap hair, leaves, dust, sediment, and finer debris. NSF\/ANSI 50 certification on the filter materials adds an extra layer of confidence about safe materials and reliable performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFiltration area: 30 sq ft\u003c\/li\u003e\n  \u003cli\u003eFiltration fabric: Trilobal design increases surface area for filtration and rinse efficiency\u003c\/li\u003e\n  \u003cli\u003eCertification: NSF\/ANSI 50 approved\u003c\/li\u003e\n  \u003cli\u003eMicron range: approximately 50 microns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical benefits and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eIn everyday spa use, the C-6430 can contribute to consistently cleaner water when combined with proper maintenance. You may notice easier cleaning cycles thanks to uniform fabric that captures tension points and releases more predictably during rinsing. Regular, moderate maintenance helps preserve water clarity and spa harmony over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEase of maintenance: uniform fabric supports even stain capture and release during cleaning\u003c\/li\u003e\n  \u003cli\u003eMaintenance cadence: plan a monthly check based on usage for optimal filtration\u003c\/li\u003e\n  \u003cli\u003eReplacement strategy: use as a direct replacement to minimize downtime across filtering cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and usage notes\u003c\/h3\u003e\n\u003cp\u003eThis is a compatible replacement listed for reference alongside original manufacturer part numbers. Important: this cartridge is not designed for backwashing, and attempting to backwash may cause cracks or damage. The 5-pack offers convenient coverage for routine replacements aligned with spa routines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatibility: Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, P\/N0969601, and related numbers\u003c\/li\u003e\n  \u003cli\u003eBackwashing: Not supported by design\u003c\/li\u003e\n  \u003cli\u003ePack size: 5 cartridges per package\u003c\/li\u003e\n\u003c\/ul\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: What models does the POOLPURE C-6430 Spa Filter replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replaces Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, plus other listed part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter suitable for backwashing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not designed for backwashing; attempting backwash may cause cracks or damage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":45737927311546,"sku":"B08DD21GB7","price":207.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/poolpure-c-6430-spa-filter-5-pack-packshot.jpg?v=1774648646","url":"https:\/\/gardencanada.ca\/products\/poolpure-c-6430-spa-filter-5-pack-replaces-watkins-31489-pwk30-filbur-fc-3915-30-sq-ft","provider":"Garden Canada","version":"1.0","type":"link"}