Easy to use and install, these Shop-Vac® filter bags come in a package of three and can be used for your everyday pick up needs of dirt and debris. Fits standard 5-8 U.S. gallon* (18.9-30.3 litre*) vacs with the inlet located on the tank. Does not work with 5 U.S. gallon* (18.9 litres*) Wall Mount or HangUp® Vacs. For dry pick up only. Non-hazardous, non-toxic, non-flammable materials only.