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.