POOLPURE Spa Filter Replaces Watkins 303279, PFF42TC-P4, 5CH-37, 78460, FC-2402, Lifesmart, Freeflow, AquaTerra, Hydromaster, Grandmaster, Simplicity, Bermuda Hot Tub Filters 1PACK

【 NSF/ANSI 50 CERTIFIED QUALITY】POOLPURE Spa filters are rigorously tested and certified by IAPMO to meet the NSF/ANSI 50 standard, ensuring dependable performance and crystal-clear water quality for your spa.【SPECIFICATIONS 】 Length: 9 3/8"; Outside Diameter: 5 1/4"; Top: Closed with String Handle; Bottom: 1 1/2" MPT Thread; Filtration Area: 42 Sq.ft; Filter Material: Trilobal Filtration Fabric.【COMPATIBLE MODELS】 PLFFC-2402 Spa Filter is compatible with Watkins 303279, Aquaterra 78460, Pleatco PFF42TC-P4, Filbur FC-2402, Lifesmart ACT-50SQFLTR, Watkins LSX1057, Pure N Clean PC-2402, SD-01322, Unicel 5CH-37. ★NOTE: POOLPURE is an independent brand offering compatible replacement products that are engineered to meet OEM standards. All original manufacturer names and part numbers are for reference only.【SUPERIOR FILTRATION PERFORMANCE】The advanced Dirt-Locking technology captures over three times more debris than standard filter cartridges, including hair, dust, fine particles, and sediment, ensuring consistently clean, fresh, and crystal-clear pool or spa water.【EFFORTLESS CLEANING】The filter's trilobal fabric structure allows impurities to be released easily during cleaning, keeping the cartridge feeling like new. For optimal performance, clean once a month. ⚠️ Do not backwash — backwashing may cause cracks or permanent damage.