Unicel C-5396 Replacement Filter Cartridge for Waterway Top-Load & Coast Spas | 100 Sq. Ft. | 21 5/16" Rope Anchors & Hardware the two are visually similar

the two are visually similar but rated for different temperature and chemical environments

and O-rings in this kit need to be replaced

Helps prevent scaling of the cells and extends cell life

● Water Discoloration: If the entire body of water is discolored

Operating at lower speeds also lowers the temperature of the motor

Unicel C-5396 Replacement Filter Cartridge for Waterway Top-Load & Coast Spas | 100 Sq. Ft. | 21 5/16" Rope Anchors & Hardware the two are visually similarThe 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