Pro-coagulation Tube

Glass Serum Tube with Inert Matter, No Substance Exchange with Blood Cell; No Change to Enzyme and Blood Cell; No Reaction Heat; Red Conventional Butyl Closure( E3) or New-typed Closure with Plastic Cover (D1); Paper Label; PPG-Coated Interior; Draw Volume between 2ml and 10ml. product offered by Guangzhou Improve Medical Instruments Co., Ltd.