1.[Vacuum Models]The wet dry vac filter for craftsman is compatible with craftsman wet dry vacs 5 gallons and larger, as well as 6 gallons vacs made since 1992 and 8, 12, 16, 32 gallon vacs. 2.[Wide Compatibility] The filter for craftsman 16 gallon wet dry vacuum fits for craftsman shop vac current vacuums 9-17816, 9-17784, 9-17761, 9-17066, 9-17741, 9-17742, 9-17765, and 9-17762. Also fits for older vacuums 6 gallon manufactured since 1992; 8, 12, 16, 32 gallons since 1988 and 9-17923, 9-17932, 9-17935, and 9-17937. 3.[Excellent Performance]The 17816 replacement filter for craftsman is made with premium quality pleated paper, that is great for trapping 99.97% particulate effectively and providing clean air for your family and pets. 4.[Washable and Reusable] 917816 filter is washable and reusable. Just wash it with mild water and air dry it.It is recommended to replace the filter every 3-6 months according to your use.