{"product_id":"poolpure-plfpa100n-pool-filter-4-pack-replaces-pa100n-cx870re","title":"POOLPURE PLFPA100N Pool Filter 4-Pack | Replaces PA100N \u0026 CX870RE","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the POOLPURE PLFPA100N, a 100 sq ft pool and spa filter cartridge designed to fit a range of popular models. This replacement part supports clear water and dependable filtration for family pools and hot tubs alike.\u003c\/p\u003e\n\u003ch3\u003eCompatibility at a glance\u003c\/h3\u003e\n\u003cp\u003eDesigned to replace PA100N-4, Unicel C-7487, Filbur FC-1270, and Hayward CX870RE and related models. Key measurements include a length of 25.5 inches, outer diameter of 7 inches, and 3 inch top and bottom openings. Note that original brand names are for reference only.\u003c\/p\u003e\n\u003ch3\u003eFiltration technology you can sense\u003c\/h3\u003e\n\u003cp\u003eWith Dirt-Locking technology, the PLFPA100N uses trilobal filtration fabric to achieve an approximate 50 micron filtration, capturing hair, leaves, dust, sediment, and sand with efficiency. The design aims to reduce debris reaching your pool equipment, helping maintain clear water and steady flow.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect in daily use\u003c\/h3\u003e\n\u003cp\u003eThe 25 percent thicker filtration fabric, reinforced end caps, and central support team up to extend service life by an estimated 20-30 percent compared to standard cartridges. The result is longer intervals between replacements and fewer mid-season changes.\u003c\/p\u003e\n\u003ch3\u003eMaintenance and care\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eClean the cartridge periodically—ideally monthly or when the pressure rises to the target level.\u003c\/li\u003e\n  \u003cli\u003e⚠️ Not for backwashing — this cartridge is not designed for backwashing and may crack if forced.\u003c\/li\u003e\n  \u003cli\u003eRinse and inspect seals to preserve a tight, leak-free fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality and trust\u003c\/h3\u003e\n\u003cp\u003ePOOLPURE is a proud member of the filtration community. The PLFPA100N carries NSF\/ANSI 50 certification and is backed by IAPMO testing, with industry recognition through Pool \u0026amp; Hot Tub Alliance membership. Real-world testing includes athletic environments and media coverage by NBC Local.\u003c\/p\u003e\n\u003ch3\u003ePractical setup tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify compatibility with your model list: PA100N-4, C-7487, FC-1270, CX870RE, CX870-XRE, C4000, C4020, and more.\u003c\/li\u003e\n  \u003cli\u003ePrepare for straightforward replacement by aligning the 3 inch top and bottom openings and length of 25.5 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: For best results, follow your pool’s maintenance schedule and monitor pressure gauges to determine cleaning frequency. This POOLPURE cartridge is designed as a compatible, affordable upgrade—not a guaranteed outcome.\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 PLFPA100N replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces PA100N, PA100N-4, Unicel C-7487, Filbur FC-1270, Hayward CX870RE and related cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this cartridge suitable for backwashing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This cartridge is not designed for backwashing; use with compatible filtration systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":48214548513012,"sku":"B09F6RDG9S","price":216.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/poolpure-plfpa100n-filter-cartridge.jpg?v=1778518514","url":"https:\/\/www.cerapatiogarden.com\/products\/poolpure-plfpa100n-pool-filter-4-pack-replaces-pa100n-cx870re","provider":"Cera Garden","version":"1.0","type":"link"}