With a serrated hose connection for vacuum or for the introduction of gases.

• Equipped with a #7 Chem-Thread that creates a vacuum tight seal
• Supplied complete with a compression cap and Viton O-Ring
• For replacement compression cap, see CG-352-01 series
• For replacement O-Ring, see CG-305-107 series

The #7 Chem-Thread at the top is for a vacuum tight seal of plain stem thermometers or any other tube having an O.D. between 4 to 7 mm. Serrated hose connection has an O.D. of 10 mm at the largest serration. Supplied complete with a compression cap and Viton O-Ring.