Our 49-90-1977 Wet/Dry Filter Compatible with Milwaukee M18 Fuel Wet/Dry Vacuum 0910-20, 0911-20, 0920-20, 0920-22HD, 0921-20, 0930-22HD, 0931-20.49-90-1977 Wet/Dry HEPA Vacuum Filter High 8.27", Diameter and Wide 6.3". Our 49-90-1977 Vacuum Filter capture airborne dirt, including dust, pet hair, cotton wool and other particles. Improve indoor air quality and ensure a thorough cleaning experience. 49-90-1977 Wet/Dry Filter when you use this vacuum filter, you just need to rinse with water, wait for it to dry completely, then you can reuse it again.49-90-1977 Wet/Dry Filter is highly matched to the device, easy to install, and can be replaced with easy removal of accessories.