Resists Virtually All Chemicals

• Stem length 45 mm
• Includes a leak-proof threaded screw cap
• Not graduated

The PTFE plug and housing eliminate the need for lubrication and thus reduce the possibility of contamination. The phase interface is visible down to the stopcock. Screw closures are leak-proof, and unbreakable. Autoclavable except for stopcock assembly, which is easily removed.