1,Qxygen is not needed 2,CGA600 connection 3,High working temperature 4,Adjustable pressure 5,Used with MAPP or propane CGA600 connectionEasy ignition with self-ignitorHigh working temperature(≥1000°C)Adjustable pressureUsed with MAPP or propane tanksUsed for copper/brass ittings welding/brazingHVAC after marketJewelry process mapp gas welding torch