{"product_id":"poolpure-c-5374-spa-filter-cartridge-1-pack-75-sq-ft-trilobal-50-micron-fine-filtration","title":"POOLPURE C-5374 Spa Filter Cartridge 1-Pack — 75 sq.ft. Trilobal, 50-Micron Fine Filtration","description":"\u003cp\u003e\u003cstrong\u003eThe POOLPURE C-5374 is a direct-fit replacement spa cartridge engineered to restore clear, sanitary spa water with 75 sq.ft. of trilobal filtration and 50-micron fine filtration.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your spa’s water looks cloudy, your current cartridge is torn, or you want a longer-lasting compatible option, the POOLPURE C-5374 (1 pack) is built to match common OEM dimensions while improving dirt capture and rinsing performance. Designed as a compatible replacement for Unicel C-5374 and several equivalent models, this cartridge uses a trilobal fiber fabric and reinforced components to trap fine particles, reduce maintenance time, and extend service life compared with many standard filters.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the POOLPURE C-5374 improve spa water clarity?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge employs trilobal filtration fabric that increases surface area for particle capture and a 50-micron high-efficiency layer to remove very fine debris. Together they cut through hair, dust, sand, and organic matter that commonly cloud spa water, helping chemicals work more effectively.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e75 sq.ft. filtration area for extended dirt-holding capacity\u003c\/li\u003e\n  \u003cli\u003e50-micron fine filtration removes up to 99% of fine particles\u003c\/li\u003e\n  \u003cli\u003eTrilobal fibers provide three times more adsorption surface than standard fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my spa and replace my Unicel C-5374?\u003c\/h3\u003e\n\u003cp\u003eThe POOLPURE C-5374 is dimensioned to match the popular Unicel C-5374 and multiple alternate part numbers, so it fits most compatible housings without modification. Confirm your spa’s top and bottom opening sizes and overall length before ordering to ensure a proper seal and optimal performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 14 3\/4\"; outer diameter: 5-5\/16\"\u003c\/li\u003e\n  \u003cli\u003eTop and bottom openings: 2-1\/8\" each for direct compatibility\u003c\/li\u003e\n  \u003cli\u003eCross-references: Pleatco PLBS75, Filbur FC-2971, Waterway 817-0015, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does maintenance change with this replacement cartridge?\u003c\/h3\u003e\n\u003cp\u003ePOOLPURE’s dirt-locking design makes trapped particles release more easily during rinsing, reducing the effort required to clean the cartridge. Durable construction also means fewer replacements over time, lowering lifecycle costs and downtime for your spa.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatented dirt-locking structure for easier rinsing\u003c\/li\u003e\n  \u003cli\u003eThickened 4 oz. polyester fabric with reinforced core for longer life\u003c\/li\u003e\n  \u003cli\u003eReusable after rinsing; reduces frequency of full replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product safe and certified for pool and spa use?\u003c\/h3\u003e\n\u003cp\u003ePOOLPURE filters are tested against NSF\/ANSI 50 standards for material safety, ensuring components won’t leach harmful substances into long-term water exposure. The brand also partners with industry organizations and competitive swim programs to validate performance in demanding environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIAPMO-tested to NSF\/ANSI 50 material safety standards\u003c\/li\u003e\n  \u003cli\u003eIndustry-aligned: Pool \u0026amp; Hot Tub Alliance membership and athlete partnerships\u003c\/li\u003e\n  \u003cli\u003eUsed in training environments and media-reviewed for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The POOLPURE C-5374 is aimed at spa owners, service technicians, and property managers seeking an affordable, OEM-compatible replacement that emphasizes finer filtration, easier maintenance, and longer service life. Choose this cartridge if you need a reliable, easy-to-install option that fits Unicel C-5374 equivalent housings, reduces filter-change frequency, and helps maintain clearer water between cleanings.\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: Does the POOLPURE C-5374 fit Unicel C-5374 housings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The POOLPURE C-5374 matches Unicel C-5374 dimensions (14 3\/4\" length, 2-1\/8\" openings) for direct fit in compatible filter housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace this spa filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacement frequency varies by use; inspect monthly and replace when fabric shows wear or cleaning no longer restores flow—typically less often due to durable construction.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":56824966873428,"sku":"B0CSJZK4PB","price":77.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/poolpure-c-5374-front-packaging.jpg?v=1786988137","url":"https:\/\/gardenluxe.co.uk\/products\/poolpure-c-5374-spa-filter-cartridge-1-pack-75-sq-ft-trilobal-50-micron-fine-filtration","provider":"Gardenluxe Uk","version":"1.0","type":"link"}