Buchner Filtration Funnel, Basic Material Glass, Capacity – English 0.51 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 15 mL, Stem Outside Diameter – Metric 8 mm, ASTM Specification E438, Special Features Not Applicable, Pore Size 4 um