Designed to adapt a variety of tubes, condensers and filters in 14/20 and 24/25–24/40 glassware.

• Inert O-ring
• Vacuum tight seal
• Serrated side port
• Bottom inner joint

Diameter variations of 1 to 2mm can be accommodated, as the inert O-ring is compressed by the open-top polypropylene cap to effect a vacuum tight seal. The serrated side port can be used for a vacuum connection or for the introduction of gases. Bottom has an inner joint. Body is PTFE, O-rings are Viton, polypropylene compression cap is suitable for use to 150ºC, and side port is CTFE.