The Unicel C-7419 R is a pool and spa water filter cartridge that is the correct compatible replacement for the following filters:
The Unicel C-7419 Comp. Pool Filter - Sonfarrel 100 has an outer diameter of 7 1/4 inches, with a length of 21 9/16 inches. This Unicel pool filter has an open top and bottom with both having diameters of 3 inches. This Unicel C-7419 filter contains 100 square feet of filter media.