Centrifuge Tube made of PP Green screw cap made of PE Skirted 5 ml graduations (2.5 ml between 5 and 10 ml) to 50 ml 30 mm diameter, height 115 mm Large white writing area Certified free from RNase, DNase, Pyrogen and DNA Sterile R Centrifugation up to 7.000G Autoclavable at 121 °C Resists freezing down to -80°C Hydrophobic, biologically inert surface Short screw thread - optimized for single-hand use Inner packing with 50 tubes