Premium 150mL Glass Buchner Funnel with Fine Frit for Vacuum Filtration - Lab Grade Filtering Funnel for Chemistry, Essential Oil Extraction & Scientific Experiments

Funnel has a sealed-in glass fritted disc of the listed porosity. Useful wherever filter paper or membranes cannot withstand the chemical attack of the filtrate. Constructed with heavy wall stems and the top of the funnel is beaded for additional strength.