22220 Test tube 13x75 mm with 0,35 ml of Sodium Citrate (3,8%) blue cap for 3,15 ml of blood (Coagulation) for ACL 2000 - 7000 - 9000 32145 Automed ® test tube 13x75 mm with 0,2 ml of Sodium Citrate (3,2 %) pierceable light blue rubber cap for 1,8 ml of blood (Coagulation)