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PYREX™ Class B Flasks with standard taper Stopper

Calibrated “To Contain” at 20°C (68°F)

Manufacturer: corning incorporated  C56411L

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Catalog No. 10-206H


Description & Specifications


Material Pyrex
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 1000mL
Diameter (Metric) Outer 125mm
Diameter (English) Outer 4.9 in.
Graduated Yes
Height (Metric) 34.2cm
Height (English) 13.46 in.
Neck Style Long
Stopper Number 22
Tolerance ±0.6mL

  • Meet tolerance requirements listed in Class B Volume Tolerances chart
  • Glass stopper
  • Stopper standard taper sizes: 9 (10, 25, 50mL); 13 (100, 200mL); 16 (250mL); 19 (500mL); 22 (1000mL); 27 (2000mL)