Shop-Vac® high efficiency disposable filter bags are ideal for picking up fine dust, such as, drywall dust, cement dust and cold ashes. They are easy-to-use and install. The bags keep your tank clean and makes cleanup a breeze. Simply, remove the bag from the tank inlet and throw it in the trash, two bags are included in a pack. Fits standard 15 to 22 gal vacs with the inlet located on the tank, for dry pickup only, Non-hazardous, Non-toxic, Non-flammable materials only.