"Ward's Phenomena"

High-quality, graduated 100 ml Erlenmeyer flask with a narrow neck.

Narrow neck borosilicate glass Erlenmeyer flasks with beaded rims and white graduations.

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

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

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.

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

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

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

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