Pressure Regulators Oxygen, Nitrogen, Argon, Carbon Dioxide, Air, LPG, Helium Balloon, Nitrous Oxide regulators as well as single and double stage Acetylene regulators. Flow Meters To measure the flow of gases or mixtures. We offer Electrical Y heated flow meters and Economical flow meters. Valves We offer Oxygen, Nitrogen, Argon, Carbon Dioxide, Air, Helium Balloons, Nitrous Oxide as well as Acetylene valves. Welding and Cutting Kits That includes the cutting torch, hose, two regulators, and welding set.