Buchner Filtration Funnel Basic Material Glass Capacity - English 11.83 fl oz Laboratory Funnel Type Buchner Body Material Glass Funnel Material Borosilicate Glass Autoclavable No USP Specification Type I Product Type Separatory Funnel Stem Length - Metric 75 mm Capacity - Metric 350 mL Stem Outside Diameter - Metric 20 mm ASTM Specification E438 Pore Size 4 um