".2mL PCR tubes"

These volumetric flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for snap-cap fit.

These micro volumetric flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for standard taper glass stoppers.

These volumetric flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for standard taper glass stoppers.

ASTM Class B Volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, solid glass penny head stopper, and blue or white enamel markings.

ASTM Class A volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, solid glass pennyhead stopper, and blue or white enamel markings.

Class B volumetric flasks without stoppers are made from borosilicate 3.3 glass and feature a graduation mark, blue enamel markings, and beaded rims.

ASTM Class A volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene stopper, and blue enamel markings.

Class A Amber volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene stopper, and white enamel markings.

Class B Volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene stopper, and blue enamel markings.

These volumetric flasks are constructed from low-actinic amber glass, providing protection for materials that are sensitive to light. 

PYREX® glass, clear, with snap-caps.