Fermentation Tube, Ungraduated, with Foot, Verify gas production in fermentation exercises, gas produced by yeast or other organisms rises into a 5 or 10 mL evolution tube, Diameter: 115mm, Size: 5 mL
Kimax Gas Measuring Tube, Material: High quality borosilicate glass, The top is closed with the tube graduated from the top down, Dimension: 50 x 0.1 mL