Adapter, Inlet, with Hose Connection, 14/20 joint
The hose has a serrated connector joint 14/20 for vacuuming or adding gases. Plain stem thermometers or any other tube with an O.D. between 4 and 7 mm should be sealed with a vacuum tight seal using the #7 threads at the top. The largest serrated hose connector has an O.D. of 10mm. accompanied by a Viton o-ring and a compression cap.
