{"product_id":"toread-spa-filter-cartridge-trf-6430-for-watkins-31489-pleatco-pwk30-unicel-c-6430-50-micron-30-sq-ft-media","title":"TOREAD spa filter cartridge TRF-6430 for Watkins 31489 Pleatco PWK30 Unicel C-6430 — 50-micron, 30 sq ft media","description":"\u003cp\u003e\u003cstrong\u003eThe TOREAD TRF-6430 is a direct-fit replacement spa cartridge designed to deliver cleaner, clearer water by capturing fine particles while fitting Watkins 31489, Pleatco PWK30 and Unicel C-6430 housings.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your spa or small pool uses a pleated cartridge design, the TOREAD TRF-6430 offers a high-surface-area replacement built to the same dimensions as common OEM parts. It combines a trilobal filtration fabric, thicker media layers and reinforced end caps to improve particle capture and extend service life compared with many standard cartridges. The cartridge is tested to industry safety standards and aims to be an affordable, easy-to-install option for routine filter maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eWill this cartridge fit my Watkins, Pleatco or Unicel filter housing?\u003c\/h3\u003e\n\u003cp\u003eYes — the TRF-6430 is manufactured to match the most common replacement dimensions used by several brands. Check the measured dimensions and opening sizes before ordering to confirm fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 10 1\/2\" (overall)\u003c\/li\u003e\n  \u003cli\u003eOutside diameter: 5 7\/8\"\u003c\/li\u003e\n  \u003cli\u003eTop\/bottom opening: 1 15\/16\"\u003c\/li\u003e\n  \u003cli\u003eCompatible references: Watkins 31489, Pleatco PWK30, Unicel C-6430 and other listed models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow effective is the TOREAD filter at removing debris?\u003c\/h3\u003e\n\u003cp\u003eThe filter uses trilobal filtration fabric with a 50-micron precision rating to capture a wide range of contaminants. It removes visible debris like hair and leaves plus finer sediment particles to help keep water clearer between cleanings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFiltration area: 30 sq. ft. of media for increased dirt-holding capacity\u003c\/li\u003e\n  \u003cli\u003e50-micron capture rating for fine particulate removal\u003c\/li\u003e\n  \u003cli\u003eTrilobal fibers increase surface contact and reduce flow restriction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the cartridge last and how do I maintain it?\u003c\/h3\u003e\n\u003cp\u003eThe TRF-6430 is built with a thicker filtration fabric and reinforced end caps to resist chlorine wear and physical damage, extending usable life compared to many generic cartridges. Regular cleaning keeps performance optimal; frequency depends on bather load and gauge pressure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e25% thicker filtration fabric vs. standard cartridges for longer life\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty, break-resistant end caps to reduce cracking risk\u003c\/li\u003e\n  \u003cli\u003eRecommended: inspect and clean monthly or when pressure increases\u003c\/li\u003e\n  \u003cli\u003eNot designed for backwashing — backwashing can damage the cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this a certified or safe choice for family pools and spas?\u003c\/h3\u003e\n\u003cp\u003eTOREAD cartridges are independently tested to industry standards and the product references IAPMO\/NSF\/ANSI 50 testing. Choosing certified materials helps ensure the filter media meets widely accepted safety and performance benchmarks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIAPMO tested against NSF\/ANSI 50 standards\u003c\/li\u003e\n  \u003cli\u003eMade from filtration fabric and parts suitable for pool and spa use\u003c\/li\u003e\n  \u003cli\u003eTOREAD is a Pool \u0026amp; Hot Tub Alliance member aligning with industry practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this cartridge suits: owners of compatible Watkins, Pleatco, Unicel or other referenced filter housings who want a cost-effective replacement with improved media thickness, high surface area and reinforced end caps. It’s a practical choice for residential spa and small pool operators who perform routine maintenance, monitor filter pressure, and want certified materials without paying OEM prices.\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 TRF-6430 fit Pleatco PWK30 and Unicel C-6430?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the TRF-6430 matches those models’ dimensions and openings; verify your cartridge measurements before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I backwash this cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This cartridge is not designed for backwashing and doing so may cause damage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TOREAD","offers":[{"title":"Default Title","offer_id":56819439534420,"sku":"B08214SRX3","price":99.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/toread-trf-6430-front-view.jpg?v=1786962891","url":"https:\/\/gardenluxe.co.uk\/products\/toread-spa-filter-cartridge-trf-6430-for-watkins-31489-pleatco-pwk30-unicel-c-6430-50-micron-30-sq-ft-media","provider":"Gardenluxe Uk","version":"1.0","type":"link"}