The Devilbiss 7305 Series Vacu-aide Suction Unit Meets Suction And Capacity Requirements In A Small Lightweight Design. Adjustable Flow Regulator- Easy-to-turn Knob Conveniently Placed Directly Below Gauge For Easy Use And Control Knob Has Safety Lock Feature Which Will Not Allow The Knob To Be Twisted Off. The Vacu-aide Suction Unit 7305p Series Meets The Rtca/do160d Aircraft Standard As Well As The Iso-10079 1:1999 Suction Standard. Optional Battery Capabilities- For Use Up To One Hour Provides The Patient With Added Security When Needed Most. The High Flow Capabilities (27 Lpm) Of The Vacu-aide Suction Unit Can Return A Patient To A State Of Comfort Quickly. Unit Can Be Operated While Inside The Carrying Case. Suction Unit Comes With The Following: * 800cc Disposable Container With External Filter. * Tubing Elbow. * Ac & Dc Power Cords. * Carry Case. * Rechargeable Battery. Dimensions: 9.0 (h) X 7.0 (w) X 8.0 (d) Weight: 6.3 Lbs. With Battery; 3.8 Lbs Without Battery. Vacuum Range: 80-550 Mm Hg. Flow Range: 27 Lpm Free Flow Unrestricted. Electrical Requirements: 100-240 V Ac 50/60 Hz .75 A Max; 12 V Dc 33 W Max. Warranty 2 Years: Limited On Unit.