"Ward's Phenomena"

Glass iodine flasks with ground sockets and interchangeable stopper made of borosilicate 3.3 glass.

Polypropylene volumetric flasks with single graduation line and screw caps.

Amber glass volumetric flask with polypropylene stopper is useful for protecting light sensitive reagents.

Pack of two filter flasks with heavy walls and integral side arm made of borosilicate glass.

High quality conical flask with integral side arm for vacuum filtration.

Class A borosilicate glass Volumetric flasks with PE stoppers and calibration certificates.

High quality conical flask features heavy wall design and plastic fitted integral side arem for extra stong vaccume filtration.

Class A USP borosilicate glass volumetric flasks with PP stoppers and calibration certificates.

Set of 250, 500 and 1000 ml ASTM Class B borosilicate glass volumetric flasks with pennyhead stoppers.

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