2pcs Spa Swimming Pool Bathtub Replacement Filter Cartridges TRF-4950 / PRB50-IN / PRB50-IN

1. Replacement model: TRF-4950; compatible with Pleatco PRB50-IN, Unicel C-4950, SD-00201, SD-00455, Aladdin 15002, 25391, PLE-051-0088, PLE-051-9180, 150 02ECO, 1 7-175-1596, 17-2380, 25391, 3005815, 303652, 3301-2145 2. Designed for various standard swimming pool and spa filtration systems, it replaces regular filter cartridges of the same size. Easy installation, ready to use immediately. 3. Made with high-quality non-woven filter cloth, its 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. The filter cartridge features high-strength injection-molded end caps at both ends and a robust central frame, providing strong pressure resistance. Even under high water pressure, it maintains structural stability, is not easily deformed, and extends its service life. 6. Regularly flushing the folds with a garden hose restores filtration performance, making it 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 usage frequency and water quality). 8. Dimensions: length 335mm; outer diameter 125mm; inner diameter 55mm