Aerox Aviation Oxygen Systems is demonstrating its medical aviation oxygen systems here at Heli-Expo. Limington, Maine-based Aerox (Booth 6052) offers kevlar-wound cylinders in several sizes, all of them weighing much less than comparable steel or aluminum cylinders, according to the company. Push-pull-activated regulators operate as high-pressure reducers. Aerox’s system installation hardware includes different adapters, mounting brackets, line assemblies and pressure gauges. All are designed with the rigorous demands of airborne operations. Aerox oxygen systems are designed for refilling via 1,800- through 3,000-psig fixed and portable systems. With appropriate adapters, systems can be assembled either via custom design or with commercial off-the-shelf Aerox equipment.