This style of vial is has well standardized dimensions among most manufacturers, which makes them ideal for use with existing tube racks and automated filling equipment. They also feature knurling. Each vial also features an integrated silicone O-ring to further reduce risk of leaks.

• Self- standing
• O-ring seal
• Sterile
• External thread
• Knurling for automation and easy grip
• Suitable for a wide range of temperatures from −196 to +121 °C
• Ideal for boiling applications

E-Beam sterilized and lot tested to SAL 10⁻⁶ to ISO 11137
Lot tested free DNase/RNase and DNA
Lot tested free BSE/TSE
Certified free of animal products
USP grade VI polypropylene
USP grade VI silicone O-ring

Nest scientific screw cap microcentrifuge tubes are a convenient and cost effective way to store small volumes of liquid samples securely without leaks. They are made of pure, virgin polypropylene with low levels of leachables, ideal for sensitive samples.