Deep Well plates. Autoclavable up to 121ºC. With sterility PCR READY: manufactured in clean rooms of ISO class 8 or higher. Free of PCR inhibitors, human DNA, RNase, DNase and pyrogens.rAccording ANSI/SLAS 1 and 4 standards.rPREMIUM surface:rA special injection molding technique, developed by nerbe plus in combination with the best moulds as well as ultra-pure virgin granulate, produces 'pearls effect'. This effect creates the ultra-smooth, hydrophobic surface in the plastic preventing the adsorbtion of DNA and proteins on the walls of the products, achieving maximum precision, accurary and correctness when aspirating and dispensing your sample material to ensure your results and success.