Costar 0.65 mL Snap Cap Microcentrifuge Tube, Polypropylene, Nonsterile, 1000/Case

These Costar 0.65 mL microcentrifuge tubes are made of natural (uncolored) polypropylene and are RNase-/DNase-free.• Supplied nonsterile and are autoclavable • External graduations and frosted writing spot for easy sample identification • Positive seal design allows for repeated opening and closing • Flat cap surface for convenient labeling • Withstands a maximum RCF of 17,000xg