United Scientific® Glassco Volumetric Flask, Class A, Individually Certified, Wide Mouth, 250 mL

These clear borosilicate glass volumetric flasks are manufactured as per ASTM E288 Class A serialized glassware specifications. Calibrated to contain (TC), these flasks are designed with enamel printing and diamond etched graduation lines. These flasks feature heavy-duty and uniform wall thickness along with a wide mouth design for easy pipette access. Each flask comes with a printed calibration certificate, a penny head glass stopper, and a polyethylene stopper.

• 250mL Capacity, .12mL tolerance, 19/26 stopper size
• Clear borosilicate glass volumetric flasks are manufactured as per ASTM E288 Class A serialized glassware specifications. Calibrated to contain (TC), these flasks are designed with enamel printing and diamond etched graduation lines.
• Feature heavy-duty and uniform wall thickness along with a wide mouth design for easy pipette access. Each flask comes with a printed calibration certificate, a penny head glass stopper, and a polyethylene stopper.
• Meets Class A specifications per ASTM E288
• Individually certified and serialized