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
VWR* Rack for 50 x 5ml MacroTubes*, flip top or screw top, Rack Securely Holds 5ml Tubes Upright With Silicone Fingers On Bottom Tier. Columns Are Lettered And Rows Are Numbered For Easy Tube Identification
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.