Filter, For Vacuum Type Critical Area Vacuum, Fits Vacuum Brand Atrix, Fits Vacuum Models VACEXP-04, Filter Pickup Type Dry, Filtration Type , Filter Efficiency 99.97 Percent at 0.3 micron, Filter Material Paper, Filter Reusability Non-Reusable, Height 7 in, Length 4 1/4 in, Width/Diameter 4 1/4 in, Package Quantity 2