Allied Healthcare Products, Inc. manufactures and markets respiratory products for use in the health care industry in a range of hospital and alternate site settings worldwide. The company's respiratory care/anesthesia products comprise air compressors, calibration equipment, humidifiers, croup tents, and equipment dryers, as well as respiratory disposable products, such as oxygen tubing, facemasks, cannulas, and ventilator circuits; and home respiratory care products include aluminum oxygen cylinders, oxygen regulators, pneumatic nebulizers, and portable suction equipment. It also provides medical gas equipment, which comprise construction products consisting of in-wall medical system components, central station pumps and compressors, and headwalls; regulation devices and suction equipment, comprising flowmeters, vacuum regulators, and pressure regulators, as well as related adapters, fittings, and hoses that measure, regulate, monitor, and transfer medical gases from walled piping or equipment to patients; and disposable oxygen cylinders to provide oxygen for short periods. In addition, the company offers medical products that include respiratory/resuscitation products comprising demand resuscitation valves, portable resuscitation systems, bag masks and related products, emergency transport ventilators, precision oxygen regulators, minilators, multilators, and humidifiers; and trauma and patient handling products, such as spine immobilization products, pneumatic anti-shock garments, and trauma burn kits. The company serves hospitals, hospital equipment dealers, hospital construction contractors, home health care dealers, emergency medical products dealers, and others. Allied Healthcare Products, Inc. was founded in 1979 and is headquartered in St. Louis, Missouri.