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This general purpose double bank manifold is for use with vacuum and inert gas. Both banks are made from 1/2" medium wall tubing with 10 mm O.D. serrated connections on the manifolds. Both ends of the inert gas line are open to permit connection to a bubbler on one end and inert gas source on the other. Only one end of the vacuum line has a hose connection (for vacuum).
For a similar item that has only one hose connection on the inert gas line see item #CG-4440-01. Both styles are available with 3, 4 or 5 ports (see below).
The ports have 4 mm glass high-vacuum stopcocks with serrated hose connections and are spaced 85 mm center to center. All hose connections have a 10 mm small and 11 mm large serration.