United Scientific D1003 Polypropylene Conical Bottom Centrifuge Tubes with Black Graduations, Blue Cap, 15ml Capacity (Pack of 50);

These polypropylene tubes feature a screw top with easy to read black graduations. These sterile, conical bottom tubes also feature a writing area to allow for easy sample identification. Temperatures between 0 and 40 degrees Celsius are the suggested working range.