"Ward's Phenomena"

High quality pear shape distilling flasks with ground joints, short neck design.

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

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

High quality distillation flask for chemistry classrooms and laboratories.

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

Set of 25, 50 and 100 ml ASTM Class B borosilicate glass volumetric flasks with pennyhead stoppers.

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

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

Erlenmeyer flask set consisting of three smaller sizes: 50, 150 and 250 ml, all made from borosilicate glass with narrow necks, white markings, and beaded rims.

ASTM Class B volumetric flasks are made from borosilicate 3.3 glass and feature a graduation mark, polypropylene snap cap, and blue or white enamel markings.

Buchner filtering flasks are made of high quality, heavy duty borosilicate glass.

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

Erlenmeyer flask set consisting of three larger sizes: 500, 1000 and 2000 ml, all made from borosilicate glass with narrow necks, white markings, and beaded rims.

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