WORKSHOP Wet Dry Vac Filter WS21200F Standard Wet Dry Vacuum Filter (Single Shop Vacuum Cleaner Filter Cartridge) Fits WORKSHOP 5-Gallon To 16-Gallon Shop Vacuum Cleaners Material: Paper Features: Qwik Lock™ Filter Fastening System – Makes removing and installing your filter quick, easy and secure. Pleated Paper Material – Captures everyday dirt. Durable Material Is Washable Type: Standard Filter