The Deutsch & Neumann Rubber Spacer GUKO Size 4, Natural Rubber, 41 mm Top Diameter, 27.5 mm Bottom Diameter, Grey is a conical laboratory gasket designed to provide a secure sealing connection between compatible filter funnels or filter crucibles and suction flasks. Manufactured from natural rubber (NR), this Size 4 GUKO has a hardness of 40 Shore A and defined dimensions for laboratory vacuum filtration assemblies.
The Deutsch & Neumann GUKO Size 4 provides a simple reusable sealing interface for laboratory vacuum filtration. Its tapered 41/27.5 mm geometry helps connect compatible filter funnels or crucibles securely to suction flasks.
It is used to create a conical sealing connection between compatible filter funnels or filter crucibles and suction flasks in laboratory filtration assemblies.
It is manufactured from natural rubber (NR) and has a specified hardness of 40 Shore A.
It has a 41 mm top diameter, 27.5 mm bottom diameter, 27 mm height and 4.0 mm thickness.
Select the GUKO size according to the filter funnel or crucible diameter and the suction flask opening. This Size 4 version uses a tapered 41 mm top diameter and 27.5 mm bottom diameter.
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