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.