Quick Answer:The Filter Funnel is a borosilicate glass funnel with a 60° cone that seats folded filter paper for gravity filtration, made in diameters from 35 mm to 150 mm.
Last updated: 18 October 2026
Key Features
60° cone angle for a good fit with quarter-folded filter paper.
Fire-polished rim.
Bevelled stem tip to help liquid flow.
Diameters of 35, 50, 65, 75, 100 and 150 mm.
Technical Specifications
Specification
Value
Material
Borosilicate glass 3.3
Cone angle
60°
Diameters
35, 50, 65, 75, 100, 150 mm
Rim
Fire polished
Stem tip
Bevelled
How It Is Used
A filter paper is folded into quarters, opened into a cone and seated in the funnel, which stands in a funnel holder or ring over a flask or beaker. The liquid passes through under gravity and the solid stays on the paper. The funnel also serves for transferring reagents without spills.
Frequently Asked Questions
What sizes does the Filter Funnel come in?
Diameters of 35, 50, 65, 75, 100 and 150 mm, all with a 60° cone.
