FITS: Most Shop-Vac brand vacs DESIGNED FOR DRY PICK-UP: Replacement filter for dry debris and dust pick-up only TRAPS EVERYDAY DIRT: Designed for capturing everyday dirt, dust and debris WASHABLE FILTER MATERIAL: Filter material can be washed and reused for better filtering of debris FOR OPTIMAL PERFORMANCE: Replace shop vac filters at least twice a year to keep your shop vacuum running like new