Shaker Flask, Capacity - Metric 250 mL, Capacity - English 8.45 fl oz, Flask Type Shaker, Overall Height - Metric 135.2 mm, Includes Closure Yes, Closure Type Septum Cap, Neck Style Straight, Closure Material Glass, Body Material Polycarbonate, Sterile/Non-Sterile Sterile, Autoclavable Yes, Body Color Clear, Graduated Yes, Graduation Increments - Metric 50 mL, Glassware Class Not Rated, Basic Material Plastic, Special Features Supports Both Aerobic and Anaerobic Culture, Clarity Transparent