Teflon® stopcock plug and Standard Taper polyethylene stopper Stem length of 65 mm PYREX® borosilicate glass body

For use without filter paper Offered in nine sizes and three porosities Pore sizes 40 to 60 µm = C, 10 to 15 µm = M and 4 to 6 µm = F With square-cut, fire-polished rim These funnels are especially useful where filter paper would be attacked by the material…

Teflon® stopcock plug fits into the micro-finish barrel Plug reduces freezing problems and grease contamination

Glass stopcock and glass stopper Stem length of 65 mm

Replaceable tip, Teflon® stopcock and high-density polyethylene stopper Designed for long life and maximum safety Economical - reduces costs by providing replacement components Stopcock assembly features a simple screw thread locking nut and collar which ensure that the stopcock…

PTFE valve These improved PYREX® Squibb type separatory funnels provide an unbreakable PTFE valve and drip tip and have a screw thread closure at the top. Supplied complete with PTFE valve assembly and a screw cap with PTFE-faced silicone liner. Valve sizes range from 2 to 8 mm.…