Vacuum Adapter With Stopcock, Fit 19/22 Outer Joint, 1/pk

The adapter with Teflon stopcock can control the Vacuum source and prevent the filtrates from being sucked into the Vacuum line.

Material: Teflon
Qty / Pk: 1
Feature: 7/10 top taper out joint, 19/22 lower taper inner joint, with stopcock.