The Unicel C-7330 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-7330 Comp. Master Spas Pool Filter has an outer diameter of 7 inches, with a length of 7 1/4 inches. This Unicel pool filter has an open top and bottom with both having diameters of 4 inches. This Unicel C-7330 filter contains quality, durable filter media.