Vacuum Bag, For Vacuum Type Backpack Vacuum, Fits Vacuum Brand Atrix, Fits Vacuum Models BP50-G, VACBP36V-GR and VACBP36V, Bag Filtration Type HEPA, Filter Efficiency 99.97 Percent at 0.3 Microns, Bag Material Cloth, Ply Count 3-Ply, Bag Pickup Type...