PERFECT FIT: Type VI Spa and Hot Tub Filter Replacement Cartridge compatible with Coleman SaluSpa filter, Lay-Z-Spa and other inflatable hot tub filters. HIGHLY FILTRATION PERFORMANCE: Premium quality dacron fabric collects hair, leaves, dust, sediment, sand, etc; easy to clean and replace. The inflatable hot tub filter cartridge is installed inside the filter pump and captures dirt as it passes through the system. KEEP YOUR POOL CLEAN: Keep your pool safe and clean with a Type VI Swimming Pool Filter to protect and keep your pool clean for the summers to come! REPLACEMENT FILTER: For best results, clean your Type VI Spa filter cartridge replacement often and replace it every 2 weeks during heavy usage. Our type VI SPA filters measure 4.1 x 3.1. Easy Maintenance: Efficient circulation water purification for your family every time play water to do powerful protection. The spa filter cartridge can be easily cleaned and reused. Just take the filter and flush wash away impurities. Universal work with all types VI filter models you could finish installing just in some seconds.