Culture Tube Labware Tube Type Test Tube Labware Nominal Capacity - Metric 20 mL Labware Outside Dia - Metric 16 mm Labware Length - Metric 150 mm Graduation Range Not Graduated Labware Basic Material Glass Labware Body Material Type I Borosilicate Glass Sterile/Non-Sterile Non-Sterile Autoclavable Yes Labware Body Color Clear Labware Screw Closure Size 18-415mm Graduation Subdivisions Not Graduated Package Quantity 288