Flasks, Erlenmeyer, Conical, Narrow Mouth. Made of borosilicate glass. Uniform wall thickness distribution makes these Flasks ideal for heating. The conical form makes them suitable for mixing liquids. The easy-to-read scale and large labeling field facilitate easy marking. Graduated from 25ml to 5000ml. Capacity avialable in 10/25/50/100/150/250/500 1000/2000/3000/5000ml.