Designed for biological fluids stored in liquid nitrogen vapor - made of polypropylene copolymer, these tubes are leakproof, inert, nonpyrogenic, and virtually unbreakable
External threads eliminate material hang-up and minimize loss and contamination of valuable or hazardous samples
Screw cap has an internal O-ring for leakproof processing and storage
For use in microcentrifuges with fixed-angle heads
