The SynthwareTM Pressure Equalizing Funnel with High Vacuum Valve manufactured by Kemtech America Inc. comes with PTFE extended tip valve for adjustment of semi-needle valve.
Specification
Joint: ST/NS 14/20 Packaging: Pack of 1 ea Capacity: 60 mL Valve size: 0-4 mm
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SynthwareTM Pressure Equalizing Funnel With High Vacuum Valve, 125 mL, Joint: ST/NS 14/20, Kemtech America Inc. (CAT#: STEM-L-2555-LC)