4) Unicel C-4607 Coleco Krystal Klear Intex A or C Replacement Filter Cartridges 4) New Unicel C 4607 Coleco F 120/DR 7, Krystal Klear Models 108R/12, Intex Sand n Sun, Wet Set, Easy Set Size "A" or "C", Aqua Leisure Size "2" Filter Cartridges Top End Cap: 1 15/16" / Open Bottom End Cap: 1 15/16" / Open Outside Diameter: 4 1/4" Length: 8"