Separatory funnel constant pressure cylindrical shape,standard ground mouth.Capacity 10mL,Joint 14/23,PTFE switch valve
Comparing to an ordinary dropping funnel, the Pressure-equalizing dropping funnels have an additional narrow-bore glass tube from the upper part of the funnel bulb to the ground glass joint around the stem at bottom. With standard taper glass outer joint at Top and inner joint at bottom, with PTFE stopcock upper on the bottom glass joint.