Mike,? there are standard fittings that are pin indexed in the operating room and respiratory therapy, or otherwise size fitted so that you can't put the wrong gas on the wrong line.? ?But what comes out of the BLENDER? is basically a HOSE.? ?So basically what you want to do is have a BARB FITTING at the input of your system somewhere and they will have to connect to that with a hose clamp
As for measurement lines.? ?I don't have the really thin stuff that has luer lock connections.? ?I'm using fuel tubing for very small engines.? ?it is maybe 1/16" ID? Fits on the smallest barbs in the vacuum-tube-T-fitting kit I got from an automobiile shop.??
Gordon
