TheCRAFTSMAN HEPA Media Filter for wet/dry vacs is designed to tackleallergens, pollen, cold ashes, drywall dust and everyday dirt like sawdust, wood chips, job site debris and car or truck dirt. The Qwik Lock Filter Fastening System makes removing and installing wet dry vacuum filters quick, easy and secure. This filter is compatible with all current CRAFTSMAN wet/dry vacs 5 gallon and larger. To ensure maximum performance of your wet or dry vac, replace this filter on a regular basis.