Volumetric Flask, Capacity – Metric 250 mL, Capacity – English 8.45 fl oz, Flask Type Volumetric, Overall Height – Metric 225 mm, USP Specification Type I, Tolerance 0.20 mL, Includes Closure Yes, Closure Type Stopper, Neck Style Straight, Closure Material Glass, Compatible with Stopper Size 19, Body Material Borosilicate Glass, Sterile/Non-Sterile Non-Sterile, Autoclavable Yes, Body Color Clear, Graduated Yes, Graduation Increments – Metric Not Applicable, Mouth Size Wide, Glassware Class A