Filtering Flask Capacity - Metric 4 L Capacity - English 1.06 gal Flask Type Filtering Overall Height - Metric 380 mm USP Specification Type I Includes Closure No Closure Type Stopper Neck Style Straight Closure Material No Closure Compatible with Stopper Size 12 Body Material Borosilicate Glass Sterile/Non-Sterile Non-Sterile Autoclavable Yes Body Color Clear Graduated Yes Graduation Increments - Metric 250 mL Glassware Class A ASTM Specification E1406 Basic Material Glass