PYREX™ Class A Volumetric Flasks with Glass Standard Taper Stopper
With glass pennyhead stopper
Manufacturer: PYREX™ 56403L
The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for standard taper glass stoppers. The graduation line is sharp and permanent; large white block letters make the inscription easy to read. The 1 mL and 2 mL sizes are test tube shaped. Sizes 3L through 6L have pennyhead standard taper stoppers.
For stopper only, see Cat. Nos. 7650 and 7661.
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