Glass Schlenk Tube with Standard Outer Joint and Glass Stopcock at Sidearm 19/22 joint The joint size could be

The joint size could be 14/20

This versatile flask is also suitable for use as a storage vessel for air-sensitive materials

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250mL single neck round bottom glass flask 1pcs

Glass Schlenk Tube with Standard Outer Joint and Glass Stopcock at Sidearm 19/22 joint The joint size could beDesign: The Glass Schlenk Tube is a laboratory glassware designed for use in air sensitive reactions. It features a standard outer joint and a glass stopcock at the sidearm, which allows the user to pull a vacuum on the tube or to fill it with an inert atmosphere. The ground glass outer joint is used to connect the tube to other apparatus or is plugged with a glass ground stopper. Function: The Glass Schlenk Tube with a sidearm is commonly used in air