Test tube without rim, Pre-cleaned Borosilicate Glass, O.D. x Length (mm): 18 x 150, 24ml, used for hot or cold applications, Reusable and Autoclaved, Conveniently hold inverted tubes for drying and to minimize collection of airborne contaminants
Test Tube, PYREX* 3mL, 10x75mm, are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These tubes have a white marking spot. Beaded rims are fire-polished.
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