Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large permanent white letters make the capacity clearly visible. Flasks are calibrated "To Contain" at Class A tolerances, per ASTM E288 specifications. Includes PE stopper.

Unit of Measure

Item No.

N/A 4257-04

Item Description

N/A Volumetric Flask, Wide Mouth, with Polyethylene Stopper, 20mL, Tol. ± 0.08, #13 PE Stopper, 135mm Approx. Height

Capacity

N/A 20 mL

Tolerance (±)

N/A 0.08 mL

Stopper Size

N/A 13

Approximate Overall Height

N/A 135 mm

Pkg. Qty.

N/A 1