Karter Scientific® is a registered trademark in United States of America. To maintain quality control, authorized permission is required in the resale of our products. These reusable glass round bottom Test Tubes are made of 3.3 borosilicate glass to reduce pH changes and contaminants potentially leached from soda-lime glass. Black Phenolic Screw Tops are lined with rubber and fabricated from a special formula resistant to the effects of temperature and steam in autoclaving. This set comes with a 25 place Cardboard Rack

• 16x100 Screw Tubes made of Borosilicate Glass
• Round Bottom
• Black Phenolic Screw Caps with Rubber Liner
• 25-Place Cardboard Rack
• Volume: 10ml

16x100 Screw Tubes made of Borosilicate GlassKarter Scientific