DESC: Designed to combat your toughest challenge, the Cartridge Filter can be used for both wet and dry pick-up and fits most Shop-Vac® wet/dry Vacs. Fits full size vacs. Does not fit Hang Up Vacs, 5 Gallon Contractor Portable, Floormaster Plus, All Around Plus, Heavy Duty Portable, 1x1®, BullDog® Portable, Mighty Mini®, Mini Hangup, Hippo®, or All Arounds with 1-1/2 or 2 Gallon tank sizes. Approximate size of cartridge: 8" diameter and 6.5" high.