Adapter allows standard single neck round bottom flasks to be used as storage vessels. Sampling can be accomplished by removing 0-4mm  plug while maintaining inert gas purge thru sidearm


Available Ground joint:


14/20 Ground joint

19/22 Ground joint

24/40 Ground joint

29/42 Ground joint


If the item will be broken in the delivery process,we will send the replacement to  you right now.

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560C

Linear Coefficient of Expansion------ 32×10-7/C

Softening Point------820C