- Viton O-Ring – ensures a tight seal under vacuum conditions
- Made of PTFE – chemically resistant and extremely durable
- available in two sizes: (GL-18 to KF-16) & (GL-18 to KF-25)
- simply tighten with your fingers for an adequate seal
Note: When using these fittings in conjunction with a vacuum monitor, the vacuum probe should never lie upside down or flat. A vacuum probe should always be in the upright position, and it may require 90° adapters to ensure the piece remains upright.