Disposable Polypropylene Centrifuges Tubes - Series A:

Tested for RNA, DNA and protein isolation using TRI Reagent®, and withstanding centrifugal forces of 12,000 g. Series A tubes have standard snap-in caps. Series B tubes have double-edge caps to reduce the hazard of phenol contamination. NOTICE: Internal diameter of centrifuge adapters should not exceed external tube diameter by more than 2 mm. The tubes can be autoclaved at temperatures up to 135o, excluding caps.