Corning^® microcentrifuge tubes, snap-cap 

Costar microcentrifuge tubes are made of polypropylene and are certified 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 17,000 × g
• Rainbow pack includes one bag each of blue, green, yellow, red and orange tubes.

Corning is a registered trademark of Corning, Inc.