Backpack Vacuum Vacuum Power Source Cordless Vacuum Filtration Type HEPA Filter Efficiency 99.97 Percent at 0.3 microns Vacuum Collection Type Reusable Bag Vacuum Capacity 1/2 gal Vacuum Pickup Type Dry Vacuum Air Flow 85 cfm Static Pressure 72 in Weight 7.5 lb Height 14 3/4 in Sound Level 72 dB Motor Efficiency Type Brushless Number of Motor Stages 2 Hose Dia 1 1/4 in Hose Length 32 in Plug Type Cordless Voltage 40 V Cordless Tool Battery Type Li-Ion Includes Battery No