Disposable ESR tube safe, convenient, accurate and can be directly related to the caliber φ12, φ13, can also be carried out and supporting the use of vacuum blood collection tube, without the transfer of blood, can supply the finished product or the vacutainer manufacturers to cooperate. Advantages: 1, and consistent with the traditional style of Wei ESR method, tested in a closed state, not subject to external influences; 2, fully enclosed use to avoid cross-infection, easy to use and intuitive. Product Specifications: 200 / box, a box 6 boxes or 12 boxes.