Straight Drying Tube With 14/20 Top Outer And Bottom Inner Joint

Drying tube is a tube-like piece of apparatus used to keeping the vessel free of moisture,often used in organic syntheses.
There is usually a standard joint for use in connecting the drying tube to a reaction flask . In use, the drying tube is filled with a rechargeable desiccant such as calcium chloride, and the open end of drying tube is partially blocked. This straight drying tube with14/20 Top Outer and Bottom Inner joint.