The CRAFTSMAN Wet Application Filter is great for picking up high volume liquid and wet debris. This filter prevents dust and debris from entering the exhaust air during wet pickup. The Qwik Lock° Filter Fastening System makes removing and installing wet dry vacuum filters quick, easy and secure. For added convenience, the filter material can be washed with water and reused. Not for use during dry pick-up. To ensure maximum performance of your shop vacuum cleaner, replace wet dry vac filters regularly. FITS: 5 gallon to 20 gallon CRAFTSMAN vacs made 1988 and afterDESIGNED FOR WET PICK-UP: Wet filter is designed for use on wet pick-ups onlyPROTECTS VACUUM: Prevents debris from entering the exhaust air during wet pickupEASY INSTALLATION: Qwik Lock Filter Fastening System allows quick and easy wet dry vacuum filter changesWASHABLE FILTER MATERIAL: Filter material can be washed and reused for better filtering of debris