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PYREX™ Class A Flasks with Screw Cap

Calibrated “To Contain”

Manufacturer: corning incorporated  C565025

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Catalog No. 10-207A

  • / Case of 12 Each

Description & Specifications


Material Pyrex
Bottom Shape Flat
Capacity (Metric) 25mL
Closure Color Black
Closure Material Phenolic
Diameter (Metric) Outer 40mm
Diameter (English) Outer 1.57 in.
Height (Metric) 10cm
Height (English) 3.93 in.
Neck Style Long
Tolerance ±0.03mL
Top Style Threaded

  • Poly-Seal™ screw cap ensures a leakproof closure
  • Black phenolic caps have inert, cone-shaped polyethylene liners
  • Mouths of all sizes, including 25 and 50mL, are wide enough to accept powder funnels