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Filter Support Collar, Size 3

by Flinn Scientific

Item #: AP8990

Price: $5.00

Filter support collars are ideal for supporting glass funnels, Gooch crucibles, Büchner funnels, and other filtration devices. The rubber collar forms a gas-tight seal during vacuum filtration. The collars are available in three sizes.

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Other Options

Item# AP8990 AP8991 AP8992
Size Size 3 Size 4 Size 5
Top Inner Diameter 31 mm 39 mm 50 mm
Bottom Inner Diameter 16 mm 22 mm 30 mm
Price $5.00 $5.50 $5.65
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Product Details

Ideal for supporting glass funnels, Gooch crucibles, Büchner funnels, and other filtration devices. The soft and flexible rubber forms a gas-tight seal during vacuum filtration. • Size 3 fits a 250-mL filter flask. 31-mm top diameter, 16-mm bottom diameter • Size 4 fits 500-mL and 1000-mL filter flasks. 39-mm top diameter, 22-mm bottom diameter • Size 5 has a 50-mm top diameter, 30-mm bottom diameter

Specifications

Top inside diameter: 31 mm. Bottom inside diameter: 16 mm.