Gas Jar Cylindrical, height 20cm, dia 5cm, Soda glass, without lid and heavy foot-EIS-CH0494B offers a thoughtfully designed, durable resource for hands-on learning. 7.9" x 2.24" (20cm x 5cm) Made of thick Soda. Lime glass Collects gas during lab experiments Lid sold separately Not for heating applications This Eisco gas jar is made of economically friendly soda. lime glass and with its broad base and wide mouth is ideal for collecting gases associated with various science experiments.