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This condenser is compact, yet it is as eficient as a standard 400 mm Liebig condenser. It employs a double wall thimble shape bulb sealed into the outer jacket. Serrated hose connections for coolant extend through the outer bulb and have an O.D. of 10 mm at the middle serration. The smallest size has a condensing area of 160 square centimeters. Available in 3 sizes.