4ml 5ml 6ml 8ml Glass Gel Test Tube 13*100mm Separation Gel Clot Ativator Tube Vacuum
Discover the JINGZ&YBK 2ml-10ml Gel and Clot Activator Tube, designed for precise blood collection and serum separation. Ideal for biochemistry and immunology tests, these vacuum tubes feature a silicon layer for faster clotting and a gel barrier for easy serum separation. Available in various sizes and materials, ensuring reliable and safe blood sample collection.