Aspirator/Resuscitator Oxygen Adapter - Large Mc Culloch Medical A supplemental oxygen adpator for the Aspirator/Resuscitator kits. Rubber mounted 22 mm oxygen adapter fitted to a tough polycarbonate mask with dual vents, no valves allowing unrestricted inhalation and exhalation. Rubberized adapter fits over induction end of appropriate resuscitator for the patient. Includes 7ft tubing. ID port connects to both the oxygen bottle and anesthesia machine.