Bell Jars Round Bottom Bell Jars, Round Bottom – Laboratory Glassware Equipment A bell jar is a piece of laboratory equipment used to contain vacuum. It is similar in shape to a bell. These are made of thin glass, with more care being taken regarding their optical clarity . These jars come with properties like transparent & superior heat-resistance. Available in O.D. x Height (mm. approx.) – 200 x 350 , 300 x 400, 300 x 450,
