Adapter, Connecting, Two Inner Joints, 19/22 joint with 30mm length between joints

Adapter, Connecting, Two Inner Joints, 19/22 joint with 30mm Length Between Joints

1. Using an adapter 30 mm between the joints, with 19/22  standard conically tapered male joints at both ends. Both ends have the exact joint sizes.
2. Used as an air condenser or to rapidly and efficiently install leak-proof lab glassware in laboratories.
3. The strong wall, interchangeable glass adapter with taper joints, is hand-blown borosilicate glass.
4. Glassware that combines the short-path distillation process with herbal extraction and fundamental organic chemistry