Unicel C-5396 Replacement Filter Cartridge for Waterway Top-Load & Coast Spas | 100 Sq. Ft. | 21 5/16" Spa Steps 3 oz Cartridge Chemistry Neutral

3 oz Cartridge Chemistry Neutral Cure Silicone (Oxime) Service Temp -40°F to 350°F VOC 26 g/L (<3% wt)

90" OD stainless steel uprights with a 4' installed height

3" Long Quantity Pack of 14 screws Fits Into

Smith B2984 Square Flange 2 or 0

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

Unicel C-5396 Replacement Filter Cartridge for Waterway Top-Load & Coast Spas | 100 Sq. Ft. | 21 5/16" Spa Steps 3 oz Cartridge Chemistry NeutralThe 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