Paper funnel--the shape is a flat cylinder with many small holes on the bottom of the cylinder,Paper Filtering Funnel
Filter paper funnel--can withstand high temperatures of 110 °c, and is resistant to acids and alkalis,buchner funnel kit
Buchner funnel filter--you will receive two buchner funnels to meet your daily experiment requirements,scientific funnel plastic
Lab filtering funnels--multi-functional and versatile, widely used in the chemical, pharmaceutical, scientific research institutions or kinds of colleges, universities and schools etc,plastic funnels
Filter funnel--smooth surface and fine texture, easy to clean and wash,buchner filter funnel