... space is limited, such as dental anesthesia, shipboard or craft, etc.With handle on it and soft feet-mat under it ... canister, low resistance, minimum gas leakage,More choices for clients, with or w/o Ventilator,Gas supply: O2, O2+N2O, O2+ ... AirOptional: Anesthesia Ventilator with LCD display or with LED displayet Portable Office Base Manual Anesthesia machine ...