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.