Ambion™ RNase-free Conical Tubes are provided assembled with green screw caps and guaranteed RNase- and DNase-free. The tubes have a printed writing space and volume marks on the sidewalls for convenience. These polypropylene tubes are sterile, nuclease-free, nonpyrogenic, and can be autoclaved to 121°C. 200 50-mL tubes are provided.
Each lot of tubes is certified RNase- and DNase-free.