Filter, For Vacuum Type Critical Area Vacuum, Fits Vacuum Brand Minuteman, Fits Vacuum Models X839, Filter Pickup Type Wet/Dry, Filtration Type ULPA, Filter Efficiency 99.99 Percent at 0.12 micron, Filter Material Cloth, Filter Reusability Non-Reusable, Height 4 3/4 in, Length 8 1/2 in, Width/Diameter 7 in