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Named after the German chemist Robert Hirsch, these filter funnels are used for the vacuum filtration of very small volumes of precipitates.

Hirsch pattern vacuum filtration funnel with sintered glass disc
Manufactured from Pyrex^® borosilicate glass for high resistance to chemical attack
Ideal for filtering semi-micro quantities of material

Product Specification

Grouped product items
Item Code	Cone size	Approx. disc diameter mm	Approx. funnel diameter mm	Sintered disc porosity	Pack quantity
3766/03	14/23	12	35	3	1

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Pyrex® Hirsch vacuum filtration funnel