Vacuum blood collection tube Plastic and glass material *serum: red cap , 3ml 5ml 7ml, 13*75mm 13*100mm *3.2 goagulation, blue cap, 1.8m 2.7ml , 13*75mm 13*100mm *gel clot activator, yellow cap, 3ml 6ml, 13*75mm 13*100mm *edta-k3, k2, purple cap, 2ml 5ml, 13*75mm 13*100mm *heparin, green cap, 1.8m 2.7ml , 13*75mm 13*100mm *glucose, gray cap, 2ml 3ml, 13*75mm 13*100mm *3.8% black cap , 1.6m 2.4ml , 13*75mm 13*100mm Packing: 13*75mm 1000pcs/ctn 13*100mm 800pcs/ctn