Red top container for serum collection – 4ml

Serum Tube (red cap) 4 ml- used to obtain a serum sample. The tube are available in plastic range of sizes and can be identified by red cap. Blood vacutainer serum tubes have addictive silica sprayed on the inner walls of the tube to accelerate the clotting process. The minimum recommended clotting time for the serum tubes for patient without anticoagulant is 1 – 2 minutes.