Unicel C-5396 Replacement Filter Cartridge for Waterway Top-Load & Coast Spas | 100 Sq. Ft. | 21 5/16" Spa Steps Boston Valve for quick inflation

Boston Valve for quick inflation and deflation

The 4CH-949 fits select Master Spas Eco-Pur filtration systems designed for a 5" OD cartridge (actual OD: 4 15/16")

Our selection of pool drains and suctions is designed to make your choices simple

reverse configuration

Unicel C-5396 Replacement Filter Cartridge for Waterway Top-Load & Coast Spas | 100 Sq. Ft. | 21 5/16" Spa Steps Boston Valve for quick inflationThe Unicel C 5396 is a 5000 Series 100 sq. ft. replacement filter cartridge engineered for Waterway Plastics top load in line spa filters. With 222 precision cut pleats of 3 oz. Reemay 2033 polyester media packed into a 21 5 16" body, this cartridge delivers maximum filtration surface area in a compact diameter keeping your spa water consistently clear between service intervals. IMPORTANT: VERIFY YOUR DIMENSIONS BEFORE ORDERING Coast Spas