European style funnel with new leaktight locking stopper that will not fall out during shaking or transportation. The stopper is secured into a screw-threaded top joint via cap and Viton? O-ring for a positive, leaktight seal. Supplied complete with 1:5 PTFE plug, stopper, cap, and O-ring.
ACE Squibb separatory funnel with Locktight stopper Supplier
