Glass Reducing Connecting Adapter from 14/20 Outer to 19/22 Inner Glass Joint Lab Glassware

Specifications: 14/20 top joint,19/22 bottom joint Material: Borosilicate Glass,Reusable & High quality.

Process: Standard interface, high dimensional accuracy; heavy duty design, uniform wall thickness, no bubbles and no texture; fine frosted; clear logo.

Function: Used to connect two apparatus with dissimilar standard taper joints, often used in scientific experiments.