The Unicel C-6660 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-6660 Comp. Spa Filter - Jacuzzi CF-60 has an outer diameter of 6 9/16 inches, with a length of 29 3/8 inches. This Unicel pool filter has an open top and bottom with both having diameters of 3 1/2 inches. This Unicel C-6660 filter contains 60 square feet of filter media.