Sleeve Filter, For Vacuum Type Critical Area Vacuum, Fits Vacuum Brand Atrix, Fits Vacuum Models ATIBCV, Filter Pickup Type Dry, Filtration Type , Filter Efficiency 99.97 Percent at 0.3 micron, Filter Material Paper, Filter Reusability Reusable, Height 2 3/4 in, Length 8 1/2 in, Width/Diameter 8 1/2 in