Reusable. Borosilicate Glass. For use in bacteriological work. Repeated sterilization, wet or dry, does not cause clouding. With beaded rim and permanent white marking spot. Size,mm: 13x100. Volume: 9ml.
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