16x100mm Glass Test Tube, Screw Top, with Cap, Black, Karter Scientific 402F2 (Pack of 10)
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16x100mm Glass Test Tube, Screw Top, with Cap, Black, Karter Scientific 402F2 (Pack of 10)
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 Screw Tops are fabricated from a special formula resistant to the effects of temperature and steam in autoclaving.