Buchner Filtration Funnel, Basic Material Glass, Capacity – English 20.28 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 100 mm, Capacity – Metric 600 mL, Stem Outside Diameter – Metric 20 mm, ASTM Specification E438, Pore Size 40 um, Package Quantity 3