This is a generic replacement, washable Wet / Dry Vacuum Cartridge Filter designed to fit all Wet / Dry vacuums 6 gallons and larger made since 1986. The replacement filter fits Red Strip series. This is a fit-all replacement Wet / Dry Shop vac replacement cartridge filter designed for all Wet / Dry models 6 gallons and larger made since 1986, including 6 gallon models 113, 177431, 177440, and 177120. This generic filter is a Red Stripe replacement filter, and measures 8.15 tall and has a circumference of 6.75 inches. Models which use the new Quick Lock style filter will need to purchase the top of the filter in order for it to work. Designed to fit Part 17816