Quickfit® dropping funnel fitted with both ground socket and cone joints which uses a Rotaflo® General Purpose PTFE stopcock assembly for fine control of liquid flow. The funnel stem has a ground-glass cone for easy incorporation into the sockets of Quickfit® flasks. The GP Rotaflo® stopcock with PTFE key requires no lubrication and eliminates contamination from greases and seizure with caustic solutions.Cone Size: 14/23Socket Size: 14/23Capacity: 100ml