Glass ball tubes with two necks, 20 mL, SJ14/23, set of 3 pcs. Incl. vapor duct and clips

For fractional distillation

The Ball Tube is an accessory for the Glass Oven B-585 and contains 3 balls with a size of 20 mL each. Use the universal equipment in your lab to distill and separate up to 3 fractions within the one distillation.