Borosil® Allihn Condensers have an interchangeable inner & outer joint w/ a drip tip. The Allihn Condenser has a more surface area than the Liebig, w/ a series of bulbs which generates a higher cooling capacity. This condenser is ideal for laboratory scale refluxing. There is an inlet & an outlet for attaching tubing to move coolant throughout the outer tube. Allihn condersers are used to keep liquids at their boiling temp. Avail. in Jacket size of 200-600 mm. In collaboration w/ Borosil Glass Works, Foxx Life Sciences is proud to bring the outstanding quality of Borosil® Type 3.3 Low-Expansion Borosilicate glassware to North America. Manufactured from the same USP Type 1 borosilicate glass that North American scientists have come to trust, Borosil® Laboratory Glassware offers unparalleled mechanical strength, clarity & reliability at competitive prices. & thanks to a unique annealing process, Borosil® Glassware is stress-free & incredibly resistant to thermal shock.