Regulator Bushing Adaptors, 9/16 in - 18, Oxygen, F/M, Size B, RH/LH

Features: Easily mounts on outlet bushing on a regulator having a B-Size outlet | This model has the same flow capacity as the torch - type (1200 SCFH at 50 PSIG) when installed on a regulator | Check valve is easily seen and is less subject to contamination, abuse and damage