Filter, For Vacuum Type Critical Area Vacuum, Fits Vacuum Brand Atrix, Fits Vacuum Models Omega, Filter Pickup Type Dry, Filtration Type , Filter Efficiency 99.97 Percent at 0.3 micron, Filter Material Paper, Filter Reusability Non-Reusable, Height 11 3/4 in, Length 5 1/2 in, Width/Diameter 5 3/4 in