2pcs SPA Bathtub Swimming Pool Surf Massage Filter Replacement Cartridge PWW50 / 6CH-940

1. Compatible models: suitable for Pleatco PWW50; Unicel 6CH-940; Filbur FC-0359; Waterways 817-0050 2. Designed for various standard swimming pool and spa filtration systems, replaces standard filter cartridges of the same size, easy to install and use immediately. 3. Uses high-quality non-woven filter cloth; unique folded design effectively expands the filtration area. 4. Effectively intercepts sediment, rust, hair, leaves, and tiny suspended particles in the water, keeping the water clear and transparent. 5. High-strength injection-molded end caps at both ends of the filter cartridge; robust central frame; strong pressure resistance; maintains structural stability even under high water pressure, not easily deformed, extending service life. 6. Regularly rinse the folds with a garden hose to restore filtration performance; economical and environmentally friendly. 7. Each set contains 2 filter cartridges. To ensure filtration effectiveness and water quality, it is recommended to clean or replace the filter cartridges every 2-3 weeks (depending on the frequency of use and water quality). 8. Size: length 243mm; diameter 150mm