... , 16*100.OEM available. Additive: non . Body:glass, PET, PP. Plain tube:Cap color: red.Standard: CE, ISO13485.Specifications: 13*75, 13 ... , 3ml, 4ml, 5ml, 6ml, 7ml. Maximum Vacuum Tolerance: ±10% Description: Plain Tube aims to obtain serum specimen for biochemistry, immunology and serology ... ) to control product quailty,all products produce asinternational Quality Standards. Plain tube