2ml Screw Cap Micrptubes Laboratory Universal Screw Threads

● Made of medical grade polypropylene ● Autoclavable ● Can be repeatedly frozen and thawed ● Universal screw threads ● Vials fit most common rotors ● Vials fit standard 1-inch and 2-inch freezer boxes ● Gamma radiation sterilized ● DNase & RNase free, endotoxin free, and human DNA free ● 81-8204 2ml self-standing vials have a white writing area and black graduations ● 81-7055 and 81-7205 self-standing vials are brown. ● Working Temperature: -86°C ~ 121°C