Oxyen / Fuel Gas Quick Couplings Made of Brass Material Model AS-1,2. ... -1,2, OP-1,2 IMPA Code 850301 to 850309 Gas Quick CouplingsFitted to the outlet pipe, connecting hose and the ... and Compatibility: Gentec, Koike SansoPacking Material: NBRFeatureOne-hand operatedThe flammable gas socket sleeve ferrule galvanizes red easy to differentiate No oiliness ...