This beaker by Duran is manufactured by Schott and produced in Germany. These laboratory style beaker walls are consistent in thickness and have a higher resistance to temperature changes, which make these the leading laboratory beakers in the world.,, • Size: 1000ml, • Material: Borosilicate Glass, • Brand: Schott Duran, • laboratory Grade Glass,Scientific Beaker - 1000ml-Schott Duran