Designed to combat your toughest challenge, the Cartridge Filter can be used for dry pick-up and fits Hang Up Vacs, 5 Gallon Contractor Portable, Floormaster Plus, All Around Plus, and the Heavy Duty Portable. Features: * High efficiency dry filter * Cartridge dimensions: 5.75 in. diameter x 5 in. height What"s In The Box: * Shop Vac 903-98 HangUp Small Vacuum Cartridge Filter