Synthware^™ vacuum filtration adapter

Synthware^™ vacuum filtration adapter, Stopper Size: #5 or #6, joint: ST/NS 24/40, stopper size #5 or #6

Synthware^™ vacuum filtration adapter, Stopper Size: #3, joint: ST/NS 24/40, stopper size #3

Synthware^™ vacuum filtration adapter, Stopper Size: #1, stopper size #1