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
Thermometer, Material: Glass, Dual scale, Mounted on aluminum back, Filling: 3 grams of Toluene mixed with red color, Temperature: -20 deg to 110 deg C