Specifications:

Materials                   

Borosilicate glass funnel, base and tubulated cap; anodized aluminum spring clamp; fritted glass filter support 

Filter Diameter, mm           47

Filtration Area, cm2            9.6

Funnel Capacity, ml            Funnel: 300 ml; flask: 1

Outlet Fitting                        6 mm (1/4 in.) O.D. tubulated cap sidearm to vacuum

This device is typically used in laboratory settings for filtration purposes, specifically with 47 mm diameter disc filters. It facilitates the filtration of liquids or suspensions, separating particles or impurities from the desired filtrate. The glass construction allows for visibility during the filtration process, and the holder is designed to securely accommodate the specified disc filters.