The Pool Spa Hot Tub Filter Cartridge Replacement by Membrane Solutions is designed for use with Pleatco PWW50L, Filbur FC-0172, and Unicel 4CH-949 cartridges. Made from PET composite with advanced trilobal fabric, this filter cartridge is suitable for hot tubs, above ground pools, swimming pools, and inflatable & kids pools. With a capacity of 50 sqft, it efficiently captures sediment, sand, leaves, hair, suntan lotion, stone, and dust contaminants. The cartridge is washable and reusable, featuring easy installation and cleaning, making it a convenient and durable choice for maintaining clean water in your pool or spa.
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