Cylindrical funnel has a PTFE stopcock and a glass hex head stopper 633031 is supplied without a stopper Standard Taper bottom joint is 24/40 with a drip tip Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

With Standard Taper glass stopcock and Standard Taper glass stopper 60 mm long stem, which drains completely after stopcock is closed

Supplied with a round glass stopper and a PTFE stopcock plug Lower stems have an i.d. that allows for more complete seperation and eliminates the necessity of emptying the funnel