Compatible with: Craftsman Wet/Dry Vacs 5 gal. or larger, Also fits 6 gal. vacs made since 1992 and 8, 12, 16, 32 gal. vacuums produced since 1988 | Wet dry vac air filter replaces for Craftsman 17816, 9-17816; Pleated paper filter for better filtering of debris | Filter is used for cleanup of everyday dirt like sawdust, wood chips, job site debris and car or truck dirt | Refresh your filter with an easy and convenient vacuum replacement filter | Package included:1 Pack x Filters