"graduated cylinder"

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.

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.

Erlenmeyer flask set consisting of a full range of five sizes: 50, 150, 250, 500, 1000 ml, all made from borosilicate glass with narrow necks, white markings, and beaded rims.