Replacement Filter 17816 Compatible with Shop Vac Craftsman 9-17816, Fits Most 5 Gallon and Larger Wet/Dry Vacs. This cartridge filter is an efficient part of your ongoing battle against everyday dirt like sawdust, wood chips, job site debris, and car or truck dirt. With up to 10 times the surface area of standard foam filters, it tackles cleanup jobs like a pro. Fully assembled and ready for use, it offers exceptional compatibility with most shop vacs produced since 1988. Product features: Designed to help clean up everyday dirt like sawdust, wood chips, job site debris, and car or truck dirt; Fits all current Craftsman 5-gallon and larger wet/dry vacs; Also fits 6-gallon vacs made since 1992 as well as 8, 12, 16, 32-gallon vacuums produced since 1988; Round-threaded filter nut included; Unit comes fully assembled for immediate use. Package includes: 1 (one) replacement cartridge filter;