{"product_id":"savener-hot-tub-spa-filter-cartridge-4ch-949-50-sq-ft-2-pack-13-5-x-4-15-16-50-micron-nsf-ansi-50","title":"Savener Hot Tub Spa Filter Cartridge 4CH-949 50 sq. ft. 2-Pack — 13.5\" x 4-15\/16\", 50-micron, NSF\/ANSI 50","description":"\u003cp\u003e\u003cstrong\u003eSavener 4CH-949 is a 50 sq. ft. replacement hot tub and spa filter cartridge sold in a convenient two-pack to restore clear water and consistent flow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned as a direct replacement for a wide range of OEM part numbers, this Savener cartridge fits many common spa and hot tub systems. It pairs a high-surface-area pleat design with reinforced end caps and a secure threaded base to trap fine particles while resisting deformation during regular use. The kit includes two identical cartridges so you can swap or keep a spare on hand for seasonal maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this cartridge improve my spa’s water clarity?\u003c\/h3\u003e\n\u003cp\u003eThe Savener 4CH-949 uses trilobal pleated fiber to increase the contact area for filtration, so more debris is captured per pass through the filter. An upgraded 50-micron layer targets fine particles that ordinary filters can miss, helping the water look clearer between chemical treatments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e50 sq. ft. pleated surface captures hair, dust, pollen, and sand\u003c\/li\u003e\n  \u003cli\u003eTrilobal fiber structure offers greater adsorption than flat fibers\u003c\/li\u003e\n  \u003cli\u003e50-micron filtration layer removes fine suspended solids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my hot tub or spa model?\u003c\/h3\u003e\n\u003cp\u003eThis two-pack is built to replace many OEM numbers including FD2007, PWW50L, FC-0172 and others; check length and thread details against your existing cartridge to confirm fit. Key dimensions are length 13-1\/2\" and outside diameter 4-15\/16\", with a 2\" female SAE bottom thread and a V-groove handle on top for easy removal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 13-1\/2\"; Outside diameter: 4-15\/16\"\u003c\/li\u003e\n  \u003cli\u003eTop: V-groove semi-circular handle for grip\u003c\/li\u003e\n  \u003cli\u003eBottom: 2\" female SAE threaded connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and safe are these Savener cartridges?\u003c\/h3\u003e\n\u003cp\u003eSavener cartridges include reinforced ABS end caps and a robust core to resist cracking and collapse under normal spa conditions. Materials are tested to meet NSF\/ANSI 50 safety standards, ensuring components are suitable for long-term water contact without leaching harmful substances.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReinforced ABS end caps reduce risk of breakage\u003c\/li\u003e\n  \u003cli\u003eThickened pleat media maintains shape and flow\u003c\/li\u003e\n  \u003cli\u003eIAPMO-tested to NSF\/ANSI 50 for material safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and usage tips should I follow?\u003c\/h3\u003e\n\u003cp\u003eRinse the cartridge regularly with a hose to remove trapped debris and extend service life, and replace according to your spa manufacturer’s schedule or when flow and clarity decline. Do not backwash this cartridge; backwashing can cause cracks or permanent damage to the pleats and end caps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse with clean water until runoff is clear\u003c\/li\u003e\n  \u003cli\u003eReplace when pleats are clogged or damaged\u003c\/li\u003e\n  \u003cli\u003eNever backwash the cartridge—use rinse only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Savener 4CH-949 two-pack is intended for spa and hot tub owners who need an affordable, high-capacity replacement compatible with multiple OEM part numbers. It’s a practical choice for maintenance-minded homeowners, small facility operators, and anyone who wants a spare cartridge on hand to minimize downtime. If your spa uses a 13-1\/2\" cartridge with a 2\" female SAE thread and you want improved fine-particle capture with NSF\/ANSI 50-tested components, this replacement set is designed to meet those needs.\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 this filter compatible with my spa model?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your existing cartridge dimensions: 13-1\/2\" length, 4-15\/16\" outside diameter, 2\" female SAE thread. It replaces many OEM numbers listed in the product description.\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. Rinse with a hose only to avoid cracks or permanent damage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Savener","offers":[{"title":"Default Title","offer_id":56827049836884,"sku":"B0C1SBZXLR","price":81.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/savener-front-packaging_32ed930c-27f1-4a23-b125-8762b616b73c.jpg?v=1786993585","url":"https:\/\/gardenluxe.co.uk\/products\/savener-hot-tub-spa-filter-cartridge-4ch-949-50-sq-ft-2-pack-13-5-x-4-15-16-50-micron-nsf-ansi-50","provider":"Gardenluxe Uk","version":"1.0","type":"link"}