BeetleMaster sez: > Does anyone know of a source (or if one exists) that sells CGA fittings that > you can screw into a regulator, or that sells CGA adaptors. Specifically, I'm > looking for a way to use an oxygen regulator (CGA 540) on my CO2 tank (CGA > 320). Apart from the fittings, the pressure ranges are all the same. > You can get them at any welding supply or industrial gas store. bob