Marquis, Cal Spa 37-0237 Filter Cartridge 50 Sq Ft - FC-0195

<p>These replacement Marquis and Cal Spa hot tub filters are also compatible with Marquis part number 37-0237, Cal Spa part number 37-0237, Filbur part number FC-0195, Unicel part number 5CH-352 and Pleatco part number PPM50-SC. 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.</p> <p>To clean your spa filter cartridge just remember these 4 simple steps; rinse, soak, rinse, dry. Rinse your filter cartridge 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 filter cartridge per your manufacturer's instructions.</p>