Adapter, Lower Ground Mouth Size 24/40, Upper Ground Mouth Size 24/40, Overall Length 155 mm, USP Specification Type I, Product Type Vacuum Connector, Type Vacuum Connector, Material Borosilicate Glass, Color Clear, Autoclavable No, Features Converts Standard Flasks, Funnels or Other Components to Airless Applications, Manufactured from 33 Expansion, Standards Not Applicable, ASTM Specification E438