Red/Grey Mottled Stopper - Plastic tube Laboratory procedures requiring serum with a positive gel barrier between blood cells and serum - general chemistry, serology and toxicology procedures. Tube coated with silicone, sterile interior.
Red/Grey Mottled Stopper - Plastic tube Laboratory procedures requiring serum with a positive gel barrier between blood cells and serum - general chemistry, serology and toxicology procedures. Tube coated with silicone, sterile interior.