Sta-Rite WC108-57S2X Posi-Flo II PTM70 and TX70 Filter Cartridge - FC-2540

These replacement Sta-Rite pool filter cartridges are compatible with Sta-Rite part numbers PTM70, WC108-57S2X and TX70, Filbur part number FC-2540, Unicel part number UHD-SR70 and Pleatco part number PSR70. These filters are constructed with thermally bonded polyurethane caps and a punched PVC pipe core that will ensure consistent water flow through your filters along with the durability you depend on.

To clean your filter remember these 4 simple steps; rinse, soak, rinse, dry. Rinse your filter out with a garden hose to remove any debris or dirt still attached to your filter. Next soak your filter in a filter cleaner solution overnight, then remove your filter from the solution and rinse with a garden hose. Set your filter in a sunny location and let it air dry completely. Finally reinstall your pool filter per your manufacturer's instructions.