Flask, glass, size 50 ml. (Erlenmayer flask)

Glass grade GG-17, high heat resistance, can be set on the stove Pyrex equivalent 

100 ml glass flask.

Glass grade GG-17, high heat resistant, can be set on the stove. Pyrex equivalent

Flask glass size 150 ml

Glass grade GG-17, high heat resistance, can be set on the stove Pyrex equivalent

250 ml glass flask.

Glass grade GG-17, high heat resistant, can be set on the stove. Pyrex equivalent

Glass flask, 500 ml.

Glass grade GG-17, high heat resistant, can be set on the stove. Pyrex equivalent

Glass flask, 1000 ml.

Glass grade GG-17, high heat resistant, can be set on the stove. Pyrex equivalent