PYREX® 1L Squibb Glass Separatory Funnel with PTFE Valve and Threaded Screw Cap (Product #6305-1L)
These 1L improved PYREX® Squibb type glass separatory funnels provide an unbreakable Polytetrafluorethylene (PTFE) valve and drip tip and have a screw thread closure at the top. They are supplied complete with a No. 4 PTFE valve assembly and a GL 45mm screw cap with PTFE faced silicone liner. For replacement valve bottoms, see 6305-4VO; for replacement caps, see No. 1395-45HTC.