QUICKFIT® Dropping Funnel, cylindrical, with ROTAFLO® PTFE stopcock key, ground cone NS 19/26 & socket NS 24/29, 250mL

Complies to ISO 4800, Type 3, Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A), The funnel stem has an integral ground cone joint, With ROTAFLO® General Purpose PTFE stopcock assembly for fine control of the liquid flow.