1.5mL Micro Centrifuge Tube, Black, Non-sterile

• Polystyrene is optically clear for easy viewing of sample or colorimetric testing • Tubes feature molded graduations • Easy to write on flat surface polyethylene (HDPE) caps • Plastic rack is manufactured from polypropylene and is autoclavable, reusable, and recyclable • Design of bottom prevents racks from sticking/freezing to surfaces • Widely spaced design catches drips and allows tubes to be retrieved more easily