2ML Non Vacuum Single Cap Edta Tube is a medical equipment which is used to store the samples of blood, and other body fluids. The ethylenediamine tetraacetic acid used for the construction acts as an anticoagulant, binding the calcium ions and interrupting the clotting cascade. It is especially designed haematology for the study of the prognosis, treatment, cause and prevention of diseases related to blood. 2ML Non Vacuum Single Cap Edta Tube is a sterile test tube with a crystal clear surface and a coloured rubber stopper which functions as a vacuum seal inside of the tube and facilitates the drawing of a predetermined volume of liquid.