Review on Washable and Reusable Wet/Dry Cartridge Filter Replacement for Craftsman 9-17816 - Fits Shop Vacuum Cleaners 5 Gallon and Larger (White) by Kevin Brianne

Bought because it was advertised as a washable/reusable filter. When I went to install it I didn't think it would fit as the inner diameter of the filter is a bit small (compared to another 17816 replacement filter I bought earlier). I had to put some dish soap on the mating surfaces to attach it to the flange under vacuum (I have two old Craftsman wet/dry vacuums, both were very tight). Since it is a washable/reusable filter, I also made sure to remove it without damaging it. Be careful to hold the rubber piece next to the mounting flange - if you try to remove it from the other end you will damage the filter.