Vacuum-gas manifolds for connecting inert gas and vacuum sources; typically made of glass with PTFE valves; formats include various numbers of ports, distance between ports, wall tubing diameters, and seal angles.
Designed to incorporate a 0 to 8 mm high vacuum valve as a vacuum shut off. The front tube is for inert gases (17 mm OD), with a 10 mm hose connection. Rear tube is for vacuum (22 mm OD) with two 35/20 socket joints.