Pressure Equalizing Addition Funnel – Borosilicate 3.3


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Sometimes when adding a liquid reagent to a solution it needs to be done in a sealed environment, a pressure equalizing funnel ensures that the liquid can be added and a constant rate without back pressure affecting it.

We offer pressure equalizing addition funnels in various joint sizes with volumes from 50mL to 500mL. Please check joint size and if needed purchase and adapter to ensure it matches with you lab glass.

Our glass does not come form China and made by a ISO9001-2015 certified manufacturer. Customization is available on large or bulk orders.


50mL 14/23, 100mL 19/26, 250mL 19/26, 250mL 24/29, 500mL 19/26, 500mL 24/29


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