Volumetric Flasks, Class AProduct number: 494-900.2
Calibrated to contain at 20°C. With white marking spot. Designed from Federal Specification NNN-F-289, ASTM Standard Specification E288 and ASTM Standard Specification E694. Necks are ground to accept a standard taper flask-length glass or polyethylene stopper. (ASTM E288, E694)