Key features

• •【 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 13 1/16", Outside Diameter 5", Top: Handle; Bottom: 2" female sae thread; Filtration Area: 50 sq. ft; Filter Material: Trilobal Filtration Fabric.
• •【COMPATIBLE MODELS】 PLF4CH-949 Spa Filter is compatible with Pleatco PWW50L, 200702, Cal Spa fil50-5d13h15fct-3, Cal Spa FIL11100208, Unicel 4CH-949, Filbur FC0172M, FC-0172, Waterway Teleweir 50, Waterway 817-4050, Baleen AK-90091, Magnum O250, 40508, 42522, SD-01143, SD-01144, XLS-479 and more. ★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.
• •【Trusted by 5 Million+ Pool & Spa Owners Worldwide】Trusted by over 5 million+ pool and spa owners worldwide, POOLPURE replacement pool filter cartridges deliver dependable filtration and long-lasting performance, helping keep pool and spa water clean, clear, and refreshing.