Superior sealing with Patented Dual α Ring Seal technology, patent number D869275 Manufactured with ultra pure gasket seal materials in caps and medical grade ultra clear USP class 6 plastics for Tubes Double Start Threads provides greater thread contact area for superior strength…

SuperSpin™ tubes feature an extra-thick and durable wall that can withstand centrifugation to 40,000 x G. The ultra-clear polypropylene resin gives you a clear view of the pellet as well as correct color rendition. Designed with ergonomic caps and smooth surfaces that make this tube easy to…