{"product_id":"poolpure-spa-filter-cartridge-c-8380-replacement-for-sundance-6540-501-14in-50-micron-trilobal-fabric","title":"POOLPURE Spa Filter Cartridge C-8380 Replacement for Sundance 6540-501 — 14in, 50-Micron Trilobal Fabric","description":"\u003cp\u003e\u003cstrong\u003ePOOLPURE C-8380 spa filter is a direct-fit, high-efficiency replacement cartridge engineered to restore clear, debris-free water in hot tubs and Sundance micro-cleans that accept the 6540-501 style.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt to match OEM dimensions and improve long-term performance, this POOLPURE replacement cartridge uses trilobal filtration fabric, a 50-micron media layer, and reinforced end caps to capture fine particles while resisting wear. The cartridge fits common cross-reference numbers (Unicel C-8380, Filbur FC-2810, OEM 6540-501) and is tested to industry safety standards, making it a practical spare or service part for routine spa maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eWill this POOLPURE filter fit my Sundance or compatible spa?\u003c\/h3\u003e\n\u003cp\u003eThe POOLPURE C-8380 is manufactured to the listed OEM dimensions so it installs without modification in spas that use the 6540-501 style cartridge. Check your existing cartridge or owner manual for matching length, outer diameter, and top\/bottom connections before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 14 inches; outer diameter: 8.5 inches\u003c\/li\u003e\n  \u003cli\u003eTop: closed with 2\" SAE fitting; bottom: 2.5\" beveled edge\u003c\/li\u003e\n  \u003cli\u003eCross-references: Unicel C-8380, Filbur FC-2810, Sundance 6540-501\u003c\/li\u003e\n  \u003cli\u003eOne-pack replacement for direct swap-in installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the filtration fabric improve water clarity?\u003c\/h3\u003e\n\u003cp\u003ePOOLPURE uses a trilobal fiber structure that increases surface area and captures more microscopic debris than conventional fabrics. Combined with a 50-micron fine-filtration layer, the media traps hair, sand, dust, and organic particles to keep spa water clearer between cleanings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrilobal fibers deliver roughly three times the adsorption surface of standard fabrics\u003c\/li\u003e\n  \u003cli\u003e50-micron layer removes very fine particles to reduce clouding\u003c\/li\u003e\n  \u003cli\u003eDirt-locking design releases captured debris easily during rinsing\u003c\/li\u003e\n  \u003cli\u003eFiltration area: 85 square feet for extended dirt-holding capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I maintain and clean this replacement cartridge?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge is designed for straightforward rinsing and periodic deep cleaning to preserve flow and filtration efficiency. Dirt-locking technology helps shed trapped debris during a hose rinse; for heavier buildup, soak with a filter cleaner following manufacturer guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse with a garden hose after each spa season or when flow drops\u003c\/li\u003e\n  \u003cli\u003eDeep-clean with a filter cleaner soak every 1–3 months depending on use\u003c\/li\u003e\n  \u003cli\u003eInspect end caps and core for damage before reinstalling\u003c\/li\u003e\n  \u003cli\u003eReplace when pleats are permanently clogged or fabric shows wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and certifications back up POOLPURE’s performance?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge pairs a durable 4 oz. polyester media with reinforced ABS end caps and a strengthened core to extend service life beyond ordinary replacements. POOLPURE products are tested to NSF\/ANSI 50 safety standards and the brand participates in recognized industry organizations to ensure reliable materials and workmanship.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable polyester fabric and reinforced ABS end caps for longevity\u003c\/li\u003e\n  \u003cli\u003eStrengthened integrated core reduces collapse and deformation\u003c\/li\u003e\n  \u003cli\u003eNSF\/ANSI 50 IAPMO-tested for material safety in aquatic environments\u003c\/li\u003e\n  \u003cli\u003eBacked by industry affiliations and real-world testing partnerships\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This POOLPURE C-8380 replacement cartridge is suited for spa and hot tub owners who need a dependable direct-fit spare for Sundance and compatible systems, pool service pros stocking common parts, and anyone wanting improved fine-particle capture and longer cartridge life. If your spa uses the 6540-501 or cross-referenced part numbers and you want an NSF-tested, easy-to-clean filter with enhanced dirt-holding capacity, this cartridge is a practical upgrade to keep water clearer and maintenance simpler.\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-8380 compatible with Sundance 6540-501?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The POOLPURE C-8380 matches the 14\" length, 8.5\" diameter and connection dimensions for direct fit with Sundance 6540-501 systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I clean or replace this filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse regularly and deep-clean every 1–3 months depending on use; replace when pleats are clogged or fabric shows wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":56833905459540,"sku":"B08MT5TTFK","price":101.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/poolpure-c-8380-front-view.jpg?v=1787045475","url":"https:\/\/gardenluxe.co.uk\/products\/poolpure-spa-filter-cartridge-c-8380-replacement-for-sundance-6540-501-14in-50-micron-trilobal-fabric","provider":"Gardenluxe Uk","version":"1.0","type":"link"}