Flask, Volumetric, Class A, Certified, 250 mL

Product #: 2636646
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Individually serialized glass flask supplied with Certificate of Graduation Accuracy and traceable to NIST Standards. Class A tolerances meet requirements of ASTM E438 and ASTM E288. Graduation ring on neck of flask. Supplied with ground glass stopper. (PN 2603216 size16 replacement stoppers).