{"product_id":"aqualtra-hot-tub-screw-in-filter-cartridge-pww50l-compatible-5-x-13-1-16-2-pack-washable-pet-media-2-sae-thread","title":"AQUALTRA Hot Tub Screw-In Filter Cartridge PWW50L Compatible, 5\" x 13 1\/16\" 2-Pack — Washable PET Media, 2\" SAE Thread","description":"\u003cp\u003e\u003cstrong\u003eThe AQUALTRA PWW50L-compatible hot tub filter is a washable, screw-in 5\" x 13 1\/16\" cartridge designed to replace models like 4CH-949, FC-0172, SD-01143 and Waterway 817-4050, sold here as a convenient two-pack.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen routine filtration needs to be replaced, this AQUALTRA cartridge offers a direct, cost-effective swap for many popular spa and hot tub systems. Built from NSF-certified PET composite media, a chlorine-resistant end cap and a polypropylene core, the cartridge provides durable, BPA-free construction intended for repeated cleaning and reuse. The screw-in base uses a 2\" female SAE thread and a handled top for straightforward removal and installation.\u003c\/p\u003e\n\n\u003ch3\u003eWill this cartridge fit my hot tub or spa model?\u003c\/h3\u003e\n\u003cp\u003eIf your current filter lists dimensions of roughly 5 inches outer diameter and 13 1\/16 inches length with a 2\" female SAE screw-in base, this cartridge is made to match. AQUALTRA supplies compatibility information for a wide range of part numbers so you can cross-check before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: 5\" outer diameter, 13 1\/16\" length\u003c\/li\u003e\n  \u003cli\u003eTop: handle for easy pull-out; Bottom: 2\" female SAE thread\u003c\/li\u003e\n  \u003cli\u003eCommon compatible part numbers: PWW50L, 4CH-949, FC-0172, SD-01143, Waterway 817-4050\u003c\/li\u003e\n  \u003cli\u003eUse the part numbers shown as compatibility guides — confirm fit with your unit before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow effective is this filter at capturing debris?\u003c\/h3\u003e\n\u003cp\u003eAQUALTRA cartridges use a layered PET composite media with a proprietary dirt-locking structure that holds more particulates than conventional pleated fabrics. This improves clarity by trapping hair, sediment, leaves and other common contaminants while still allowing good water flow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFiltration area: approximately 50 square feet of media\u003c\/li\u003e\n  \u003cli\u003eTraps fine sediment, organic debris and visible particles\u003c\/li\u003e\n  \u003cli\u003eDesigned to balance filtration efficiency with low flow resistance\u003c\/li\u003e\n  \u003cli\u003eHelps maintain cleaner water between routine maintenance cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I clean and reuse these cartridges?\u003c\/h3\u003e\n\u003cp\u003eYes — these AQUALTRA cartridges are washable and intended for multiple cleaning cycles, which reduces replacement frequency and waste. Rinse with a garden hose or soak in a mild filter-cleaning solution, then dry before reinstalling; remove the cartridge before using chemical cleaners to avoid corrosion of any metal parts in your system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial resists chlorine and stands up to repeated rinsing\u003c\/li\u003e\n  \u003cli\u003eRecommended cleaning interval: every two weeks under normal use\u003c\/li\u003e\n  \u003cli\u003eAvoid harsh solvents or high-pressure washers that can damage pleats\u003c\/li\u003e\n  \u003cli\u003eRemove filter from the spa before chemical treatments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about safety and certification?\u003c\/h3\u003e\n\u003cp\u003eThe filter components are made from BPA-free materials and the media is manufactured to meet NSF\/ANSI material standards, providing reassurance on construction and contamination resistance. AQUALTRA emphasizes compatibility and safety but recommends confirming fit and following your spa manufacturer's maintenance guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNSF-certified filter materials and BPA-free end caps and core\u003c\/li\u003e\n  \u003cli\u003eChlorine-resistant end cap for longer service life in treated water\u003c\/li\u003e\n  \u003cli\u003eSold as an independent AQUALTRA brand replacement; manufacturer names used for compatibility only\u003c\/li\u003e\n  \u003cli\u003eFollow spa manufacturer instructions for installation and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This two-pack is aimed at hot tub and spa owners who need a reliable, reusable screw-in replacement cartridge compatible with many commonly listed part numbers. It suits users who prefer a washable option to reduce recurring costs, homeowners maintaining clear water between professional services, and anyone who needs an easy-to-install filter with a handled top and standard 2\" SAE screw base. Always verify measurements and thread type against your existing filter before buying to ensure a proper fit.\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: How often should I clean the AQUALTRA PWW50L-compatible filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Clean every two weeks under normal use; rinse or soak in mild filter cleaner for best results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this filter fit Waterway 817-4050 models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it matches the 5\" x 13 1\/16\" dimensions and 2\" female SAE screw base used by Waterway 817-4050.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQUALTRA","offers":[{"title":"Default Title","offer_id":56829852844372,"sku":"B0CGLV2BGX","price":85.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/aqualtra-filter-front-view.jpg?v=1786998858","url":"https:\/\/gardenluxe.co.uk\/products\/aqualtra-hot-tub-screw-in-filter-cartridge-pww50l-compatible-5-x-13-1-16-2-pack-washable-pet-media-2-sae-thread","provider":"Gardenluxe Uk","version":"1.0","type":"link"}