PYREX™ Class A Certified and Serialized Volumetric Flasks with Glass Standard Taper Stopper

Calibrated to Class A tolerances in accordance with ASTM E-542 and E-288. Each flask is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. The graduation line is sharp and permanent; large white block letters make the inscription easy to read. Supplied with a standard taper stopper.

For stopper only, see Cat. No. 7650.

Tested and calibrated in an ISO/IEC 17025 certified laboratory.