Allied Healthcare Products LSP demand/resuscitator valves , EMT valves, Elder demand valves, Oxygen demand valve and Demand valve Resuscitators. There are more than 15 options to fit your needs, all of these with the quality of Allied Healthcare Products – LSP. The Demand Resuscitation Valve complies with AHA guidelines recommending 100% oxygen delivery system for victims of a heart attack and/or smoke inhalation.