All tubes have a frosted marking spot and engraved graduations Attached flat top cap is easy to open and close with one hand 1.5mL opaque black tube protects light sensitive compounds

0.5, 1.5 or 2.0 mL capacities Clear or amber Conical bottoms or freestanding Conical microcentrifuge tubes are made from a crystal clear resin that allows users to easily view samples. Polypropylene tubes are suitable for vapor phase liquid nitrogen storage, boiling and…