Red/Gray Mottled (Tiger Top) stopper. Silicone coated tubes. Crown CORVAC gel placement for improved performance and more sample yield. Use for laboratory procedures requiring serum with a positive gel barrier between blood cells and serum- general chemistry, serology and toxicology procedures. TDM compatibile. Can be used with both Angle-head and Horizontal-head centrifuges.

Available in 3.5 and 8.5ml