Coupling Unit between Refco Scales and Disposable Cylinder R600a - Left-handed

This coupling unit facilitates filling of R600a by attaching it to one of Refco's refrigerant scales and then connecting a disposable cylinder of R600a. Then you can easily regulate the refrigerant flow with the ball valve and read the drained amount of refrigerant gas on the scale on which the coupling unit is mounted. Connection to refrigerant hose 1/4 "flare. Connection to disposable cylinder 7/16" -28UNEF-2B left-hand thread. Connection to scale M10.