➤Excellent outfits with super-minute technique can spray addictive uniformly on the inner sur-face of the tube, thus blood specimen can completely mix with the additive. ➤Vacuum blood collection tube are made from medical grade glass material. High transparency, allowing you to observe the inside status, Blood collection volume 2ml/5ml/10ml; Additive: K2EDTA; 100pcs/pack ➤Colored coded label and cap for easy samples identification. The test tubes can meet different experiment needs, can be used for venous blood collection. ➤EDTA tube is widely used in clinical haematology, blood grouping as well as various kinds of blood cell test instruments. ➤Perfect for veterinary practices, laboratories, and research institutes, these tubes are indispensable tools for conducting experiments and analyses with precision and reliability.