Lab Glassware 250ml-500ml Filling Funnel with Vacuum Valve & Standard Joints

Capacity: 250ml to 500ml. Buchner Suction Laboratory porous funnel filter Lab 30-500ml glassware Chemistry. 60ML~~~1000ML Lab Glass Separatory Funnel with Stopcock Chemistry Glassware LAB. Flask Lab Vacuum Chemistry 50-100mm funnel Glassware Apparatus Beaker Laboratory.

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