The features and benefits of using our Funnels
All Pyrex® conical, pear-shape and Gilson style separating funnels are now supplied with an interchangeable PTFE stopcock key and both a glass and polyethylene (PE) stopper. Pyrex® cylindrical dropping funnels have a double graduated scale, showing the volume of liquid contained and delivered, and are also supplied with PTFE stopcock keys and most have both a glass and polyethylene (PE) stopper.
Quickfit® pear-shape separating funnels and dropping funnels are supplied with either a traditional type PTFE stopcock key or a Rotaflo® General Purpose PTFE needle valve stopcock. Most Quickfit® separating and dropping funnels also feature a ground glass cone on the funnel stem to allow easy connection to other Quickfit® products, such as flasks.
All conical and pear-shape separating funnels and cylindrical dropping funnels comply with ISO 4800.