The Shop-Vac® Small Cartridge Filter is designed to combat your toughest challenge, the filter can be used for dry pick up and small amounts of wet pick up. The approximate size of the cartridge filter is 5.75 inch (14.6 cm) diameter and 5 inches (12.7 cm) high. It fit's Shop-Vac® brand 1-4 U.S. Gallon* (3.8-15.1 Litre*) wet dry vacuums, 5 U.S. gallon* (18.9 litres*) portable model H87S, 5 U.S. gallon* (18.9 litres*) HangUp®, 5 U.S. gallon* (18.9 litres*) Wall Mount and 6 U.S. gallon* (22.7 litres*) long life model P12S vacuums.