{"product_id":"poolpure-replacement-filter-for-pmax50p4-unicel-5ch-35-reliable","title":"POOLPURE Replacement Filter for PMAX50P4 Unicel 5CH-35 - Reliable","description":"\u003cp\u003eIn this review the POOLPURE replacement filter is evaluated for small-to-medium pool and spa systems that accept 1 1\/2' MPT cartridges. The bottom line: this two-pack delivers strong filtration performance and certified safety at a budget-friendly price, making it a sensible choice for owners who want clear water without paying dealer prices. The review highlights build quality, fit, and cleaning behavior so you can decide whether this compatible cartridge meets your maintenance routine.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNSF\/ANSI 50 certified:\u003c\/strong\u003e gives reassurance the cartridge has been independently tested for safety and basic performance so users can trust water quality results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrilobal Filtration Fabric:\u003c\/strong\u003e the specialized fabric holds more debris and releases it more easily during cleaning, reducing the time needed for maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirt-Locking technology:\u003c\/strong\u003e traps hair, leaves, sand and sediment more effectively than generic fabrics for clearer water between cleanings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient dimensions:\u003c\/strong\u003e at 8 in length with a 5 3\/4 in outside diameter, it fits a range of compatible housings designed for this size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 1\/2' MPT base:\u003c\/strong\u003e the threaded bottom connection is standard for many filter tanks, making installation straightforward when the fit is correct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-pack value:\u003c\/strong\u003e sold as a pair, it is practical for staggered replacements and saves a trip to buy one at a time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis cartridge is best for homeowners or service technicians who need a certified, cost-effective replacement for PMAX50P4-style systems and compatible models such as Unicel 5CH-35, Filbur FC-0300, Excel XLS-526 and similar cartridges. It suits pools and spas that require a compact 8 in cartridge with a 1 1\/2' MPT connection and who perform regular monthly cleanings to maintain flow.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include owners who require the original manufacturer's branded part for warranty reasons or systems with nonstandard connectors. Also, customers worried about long-term mechanical durability of connection pieces may prefer purchasing from a brand that guarantees the exact OEM molded fittings.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCertified NSF\/ANSI 50 testing provides verified safety and filtration credibility.\u003c\/li\u003e\n\u003cli\u003eTrilobal fabric and Dirt-Locking structure offer strong filtration capacity and easier cleaning.\u003c\/li\u003e\n\u003cli\u003eDimensioned to replace several common models and sold as a convenient two-pack for value.\u003c\/li\u003e\n\u003cli\u003eCustomers report good filter quality and larger material volume than some competing cartridges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFit is mixed across users; a few report connection pieces breaking or the bottom coming unglued after weeks of use.\u003c\/li\u003e\n\u003cli\u003eNot designed for backwashing, so systems that rely on backwashable cartridges are incompatible.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e5 3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003eTop handle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom\u003c\/td\u003e\n\u003ctd\u003e1 1\/2' MPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration Area\u003c\/td\u003e\n\u003ctd\u003e35 sq. ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Material\u003c\/td\u003e\n\u003ctd\u003eTrilobal filtration fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe POOLPURE replacement cartridge is a practical, value-oriented choice for anyone running a compatible 8 in, 1 1\/2' MPT pool or spa filter who wants certified filtration and easier cleaning. It delivers strong dirt-holding capacity and reliable water clarity for routine maintenance cycles, though a few users reported fit or durability issues around the molded connection, so buyers should inspect fittings after installation.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this an exact OEM part?\u003c\/strong\u003e\u003cbr\u003eThis is a compatible replacement; original manufacturer names are listed for reference and POOLPURE is an independent brand.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often should the cartridges be cleaned?\u003c\/strong\u003e\u003cbr\u003eMonthly cleaning is recommended for optimal performance given the Trilobal fabric's ability to release trapped impurities.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this be backwashed?\u003c\/strong\u003e\u003cbr\u003eNo, this cartridge is not designed for backwashing and backwashing may cause cracks or permanent damage.\u003c\/p\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":48193498317019,"sku":"B0CZL572ML","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ZoSde68gL._AC_SL1500.jpg?v=1770215236","url":"https:\/\/gearmusthave.com\/products\/poolpure-replacement-filter-for-pmax50p4-unicel-5ch-35-reliable","provider":"GearMustHave","version":"1.0","type":"link"}