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.
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
1-800-452-1261
