Economical, non-sterile without printing or graduations Deep-skirted screw closure design minimizes risk of contamination Self-standing without a holder; conical bottom allows complete sample retrieval Externally-threaded polypropylene vials and high-density polyethylene closures minimize…

Improve rotor fit and performance using Thermo Scientific™ Nalgene™ High-Speed Round-Bottom PPCO Centrifuge Tubes, featuring uniform wall thickness and diameter. Tubes have excellent chemical resistance. Features Round bottoms that fit high-speed rotors in refrigerated or…