Three gas anesthesia apparatus. Basic unit consists of steel cabinet with casters with one shallow, one medium, and one deep drawer, seven long scale eleven-inch flowmeters, five cylinder yokes, and telescoping absorber post. It includes two-canister model carbon dioxide absorber with inhalation and exhalation check valves, switch valve, switch valve elbow, sidearm Vernitrol, flow calculator, mounting kit, ventilator calculator, ventilator and an oxygen piping inlet. Also features nitrous oxide fail safe valve kit, aspirator kit, gas evacuator with vacuum and a flow meter safety cover. Used to dispense a mixture of gases during surgical procedures.