Adapter Lower Ground Mouth Size 24/40 Overall Length 64 mm USP Specification Type I Product Type Adapter Type Adapter Material Borosilicate Glass Color Clear Autoclavable No Features Allows Syringe Needles to be Used as a Capillary Bleed Tubes or Bubblers Liquid Samples May be Added or Withdrawn from Multiple Neck Flasks Supplied with One 774200-0022 Blind Hole Rubber Stopper Fitted to the Top Standards Not Applicable ASTM Specification E438