The oxygen and suction unit is to be directly fitted to an oxygen cylinder. The oxygen therapy and suction equipment comes with a P300-F30-P1DISS regulator with manometer graduated from 0-315 Kg/cm2, a venturi suction device, a collection jar of 250 c.c., a PVC tube of 6 x 12 mm, a suction probe and a humidifier which is sterilizable by autoclave at 121 ºC.