Manufactured from high quality polypropylene, these clear microcentrifuge tubes are designed for vapor phase liquid nitrogen storage, boiling, and autoclaving procedures.

• RNase-, DNase-, and endotoxin-free
• Nonsterile

Tubes are sturdy enough to withstand centrifugation at 20000×g. All tubes are supplied with unattached screw cap and O-ring. Conical bottom tubes allow for more complete sample recovery. Freestanding tubes feature external ribs that assist in positioning and locking tubes into racks, allowing for convenient one-handed opening and closing.