Adapter is designed for use with flasks or reaction vessel lids with a 10 or 20° angled side neck.

• Adapter can be used with compound angled side necks
• Five neck vessel lids and vessel lid sets are designed for use with this adapter

Adapter has a lower inner joint and two top outer joints. Lower stopcock is either a 6 mm or a 10 mm PTFE stopcock with a ¹/₂" or ³/₄" O.D. distillate takeoff for use with a compression fitting and TFE tubing.