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PYREX™ Squibb Glass Separatory Funnel with Glass Standard Taper Stopper and Rotaflo™ Stopcock

Pear-shaped with standard taper ground neck, offset PTFE-plug stopcock and all-glass PYREX stopper

Manufacturer:  PYREX™ 6302250

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Catalog No. 10-437-6B

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  • Rotaflo (“Slammer”) stopcock uses cylindrical PTFE plug in a glass barrel
  • Knurled knob operates plug against the valve seat, providing precise control of flow
  • Won't freeze; doesn't require lubrication
  • No gaskets or O-rings are used
  • Comes with both a polyethylene stopper and a hollow PYREX stopper with a closed bottom

Order Info

Plugs fit interchangeably. Stem length, 65mm.



7.7 cm
1 cm
33.8 cm
65 mm
250 mL
Pyrex Glass
For replacement glass stoppers
Squibb separatory funnel
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