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VWR supplies borosilicate glass distillation flasks for the separation of liquid mixtures. Flasks feature angled sidearms and are available in different capacities. Choose a single heavy duty neck or up to four angled or vertical necks to suit your purpose. Most models can be used with thermometers calibrated for 76mm immersion. Engler flasks for petroleum products and church style flasks are also available. Distillation and boiling flasks are offered individually and in cases and packs.