About This

• FILTER CARTRIDGE SPECIFICATIONS：Length:13 1/16 inches; Outside diameter:5 inches; Top:handle; Bottom:2-inch female SAE thread; Filtration area:50 sq.ft; Filtration material:Trilobal Filtration Fabric. Please confirm that the specifications of this product are suitable for your spa pool or hot tub before purchasing
• COMPATIBLE PART NUMBERS：Compatible with Pleatco PWW50L, 200702, Unicel 4CH-949, Cal Spa FIL50-5D13H15FCT-3, Filbur FC-0172, Pure N Clean PC-0172, Baleen AK-90091, Magnum O250, Darlly 42522, Darlly 40508, Excel Filters XLS-479, SD-01143, OEM 817-4050, Waterway Teleweir 50, Rising Dragon 50 and more
• WIDE COMPATIBILITY：Compatible with pool/spa equipment manufactured by Cal Spa, Dynasty Spas, Garden Leisure, Rising Dragon Spa, Down East, Four Winds, Ft. Wayne Spas, Sunrise Spas, Hydro Pool Industries, Master Spas, Premium Leisure, Rising Dragon, Serenity Spas, Waterway Plastics, etc(Note: The manufacturer names and part numbers mentioned are for compatibility reference only)
• HIGH-PERFORMANCE FILTRATION：The 4CH-949 swim spa filters is made from high-quality three-leaf filter fabric, which increases surface area and improves backpressure across the entire filtration system. It effectively filters out hair, leaves, dust, sediment, sand, and other microscopic particles, keeping your pool or spa clean and clear
• PREMIUM MATERIALS AND CONSTRUCTION：Our hot tub filter cartridges feature a 25% thicker filter fabric, end caps made from chlorine-resistant and crack-resistant materials, and a reinforced central support, enabling more effective water flow and clearer water quality. Additionally, we recommend cleaning the filter cartridges every two weeks to maximize the performance of your spa