10 x 50 Conical Tubes per box. 500 tubes are supplied, racked.
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.

Each lot of tubes is certified RNase- and DNase-free.