{"product_id":"poolpure-plf4ch-22-spa-filter-25-sq-ft-replacement-for-pff25p4-unicel-4ch-22","title":"POOLPURE PLF4CH-22 Spa Filter | 25 Sq Ft Replacement for PFF25P4 \u0026 Unicel 4CH-22","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the POOLPURE PLF4CH-22 Spa Filter, a 25 square foot replacement cartridge designed to fit a wide range of OEM models while supporting consistently clean water in your spa or hot tub. This filter is built to deliver dependable performance without locking you into a specific brand, offering a flexible solution for maintenance routines and seasonal use.\u003c\/p\u003e\n\n\u003ch3\u003eCertified quality and key specs\u003c\/h3\u003e\n\u003cp\u003eCertified to NSF\/ANSI 50 by IAPMO, POOLPURE emphasizes reliability and water clarity. The cartridge measures 6 5\/8 inches in length with a 4 5\/8 inch outer diameter. Top opening is 2 1\/8 inches and bottom thread is 1 1\/2 inches MPT. The filtration area is 25 square feet and the filtration fabric is trilobal.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes this filter stand out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDirt-Locking technology captures more debris than typical cartridges, helping keep spa water clean and inviting.\u003c\/li\u003e\n  \u003cli\u003eThe trilobal filtration fabric supports easy release of trapped impurities during cleaning, helping the cartridge feel like new after each rinse.\u003c\/li\u003e\n  \u003cli\u003eCompatibility is broad, including PFF25P4, Unicel 4CH-22, Filbur FC-2399 and several other OEM models. POOLPURE remains a separate brand offering OEM-aligned replacements.\u003c\/li\u003e\n  \u003cli\u003eTrusted by millions of pool and spa owners worldwide, reflecting long standing performance and dependable filtration in diverse environments.\u003c\/li\u003e\n  \u003cli\u003eReal world testing and media recognition, including features with an Olympic athlete and NBC Local coverage, underscoring consistent filtration quality.\u003c\/li\u003e\n  \u003cli\u003eActive industry support as a PHTA member, signaling alignment with recognized filtration standards and best practices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFor best results, clean the cartridge once a month to maintain flow and filtration efficiency.\u003c\/li\u003e\n  \u003cli\u003eDo not backwash the PLF4CH-22; backwashing can cause cracks or permanent damage.\u003c\/li\u003e\n  \u003cli\u003eKeep the cartridge dry and store properly when not in use to prolong life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat to expect in your spa\u003c\/h3\u003e\n\u003cp\u003eWith proper care, you may notice crisper water clarity and a smoother filter operation during spa sessions. The cartridge is designed to balance performance with an approachable maintenance routine, making it a practical option for regular upkeep or seasonal draining. Its 25 sq ft filtration area supports steady flow, while the robust fabric and dirt-locking design contribute to reliable filtration across multiple spa cycles.\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: What models does the POOLPURE PLF4CH-22 replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It is designed to replace PFF25P4, Unicel 4CH-22, Filbur FC-2399, and other OEM equivalents.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I clean the PLF4CH-22 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Clean once a month for best results; avoid backwashing to prevent damage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":43989894267014,"sku":"B09F6Q6N97","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/poolpure-plf4ch-22-cap.jpg?v=1778890657","url":"https:\/\/patiozora.com\/products\/poolpure-plf4ch-22-spa-filter-25-sq-ft-replacement-for-pff25p4-unicel-4ch-22","provider":"PatioZora","version":"1.0","type":"link"}