Marquis, Cal Spa 35 Sq Ft Filter Cartridge 370-0242 – FC-0196

These replacement spa and hot tub filter cartridges are identical to Cal Spa & Marquis part number 370-0242, Filbur part number FC-0196, Unicel part number 5CH-352 and Pleatco part number PDC30-AFS. 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 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.