{"product_id":"hanxer-hot-tub-filter-cartridge-replacement-for-sundance-fc-2812-2-pack-5-x-7-75-in-dense-polymer-media","title":"HANXER Hot Tub Filter Cartridge Replacement for Sundance FC-2812 — 2-Pack, 5 x 7.75 in Dense Polymer Media","description":"\u003cp\u003e\u003cstrong\u003eHANXER Sundance 6540-502 is a two-pack replacement hot tub filter cartridge engineered to trap sediment, hair and debris and fit Sundance-compatible models like FC-2812.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeep your spa water clearer and your circulation system running smoothly with these disposable filter cartridges from HANXER. Built to match the common Sundance dimensions, each cartridge offers dense woven polymer media, certified material safety, and a form factor designed for easy swap-outs during routine maintenance. This description explains what the filter does, how it fits, and when to replace it so you can choose the correct part without second-guessing.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this cartridge will fit my hot tub?\u003c\/h3\u003e\n\u003cp\u003eMeasure your existing cartridge and compare dimensions before ordering. HANXER lists the physical measurements and the compatible part numbers so you can confirm fitment with common Sundance and Filbur models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 5 inches; outside diameter: 7 3\/4 inches; top\/bottom opening: 4-7\/8 inches.\u003c\/li\u003e\n  \u003cli\u003eCompatible with 6540-502, Filbur FC-2812, Sundance Series 850 and 780, PPS750, PSD25-6, PP2002, AK-6540502.\u003c\/li\u003e\n  \u003cli\u003eReplaceable two-pack provides an immediate spare for staggered maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat filtration performance can I expect from this HANXER cartridge?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge uses a densely woven polymer media that increases surface area and captures fine particulates as water flows through. It reduces visible debris in the water and helps maintain clearer circulation by trapping hair, lint and sediment before they reach the pump and heater.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-efficiency polymer weave maximizes capture area for suspended particles.\u003c\/li\u003e\n  \u003cli\u003eDesigned to protect circulation components by stopping debris at the filter stage.\u003c\/li\u003e\n  \u003cli\u003eDisposable design for straightforward replacement—no deep chemical cleaning required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter safe for long-term contact with spa water?\u003c\/h3\u003e\n\u003cp\u003eYes — HANXER spa filters are tested to meet recognized safety standards, so materials won’t introduce harmful substances into bathing water during normal use. The cartridge is intended as a single-use, disposable element, and the manufacturer recommends regular replacement rather than attempting to chemically clean it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIAPMO-tested to NSF-related safety requirements for water-contact materials.\u003c\/li\u003e\n  \u003cli\u003eAll components verified for long-term contact with spa and pool water.\u003c\/li\u003e\n  \u003cli\u003eDisposable—do not use filter cleaner or solvents on this cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these cartridges and what warranty applies?\u003c\/h3\u003e\n\u003cp\u003eReplacement frequency depends on spa usage, bather load and water quality, but a common approach is replacing cartridges at regular intervals to maintain optimal filtration. HANXER also backs the product with a six-month after-sales warranty for manufacturing defects, making it easier to replace defective units quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace regularly according to usage and water conditions for best results.\u003c\/li\u003e\n  \u003cli\u003eDisposable design simplifies maintenance—swap and discard used filters.\u003c\/li\u003e\n  \u003cli\u003eSix-month warranty covers quality issues and provides technical support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This two-pack HANXER Sundance 6540-502 cartridge set is aimed at spa owners and service technicians who need a dependable, NSF-tested replacement for Sundance-compatible systems. Choose this set if you want exact-fit, single-use filters that improve water clarity, protect circulation equipment, and come backed by short-term warranty support. Always verify dimensions and part numbers against your existing cartridge before purchase to ensure proper fit and performance.\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: Can I use filter cleaner on this HANXER cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This cartridge is disposable; the manufacturer advises against using chemical filter cleaners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this cartridge fit Filbur FC-2812 and Sundance models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s compatible with Filbur FC-2812 and several Sundance series including 850 and 780 when dimensions match.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HANXER","offers":[{"title":"Default Title","offer_id":56830594908500,"sku":"B0F7R1MLBX","price":72.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/hanxer-sundance-front-packaging.jpg?v=1787006203","url":"https:\/\/gardenluxe.co.uk\/products\/hanxer-hot-tub-filter-cartridge-replacement-for-sundance-fc-2812-2-pack-5-x-7-75-in-dense-polymer-media","provider":"Gardenluxe Uk","version":"1.0","type":"link"}