50mL Polypropylene Conical Centrifuge Tube with Standing Base, Green Cap and Black Graduation Lines, RNase and DNase Free, STERILE, 500/CS

No rack is needed to use these sturdy 50mL conical tubes. The skirted base lets them stand on the benchtop of wherever you need them. 

50mL centrifuge tubes have easy to read black graduation lines marked every 2.5mL with a +/- 2% accuracy

Made from temperature safe polypropylene (just the tube, the cap is HDPE) and may be repeatedly autoclaved. 

The tube and cap can be safely frozen in -80C ULT freezers as well

Green cap 50mL self-standing conical tubes are safe to centrifuge up to 6000xg

50mL tubes are RNase/DNase and pyrogen free. 

Each case of 50mL self-standing tubes contains 20 bags of 25 in a zip-tight resealable bag. Total of 500 tubes per case