Vacuum tubes for venous blood sampling CORVAY with sodium heparin, glass, Size: 13*75 mm; vacuum volume: 2 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic, Size: 13*75 mm; vacuum volume: 3 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic Size: 16*100 mm; vacuum volume: 2 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic Size: 16*100 mm; vacuum volume: 3 ml CORVAY Sodium Heparin Vacuum Venous Blood Collection Tubes, Glass Size: 13*100 mm; Vacuum Volume: 7 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic, Size: 13*75 mm; vacuum volume: 5.5 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic, Size: 13*75 mm; vacuum volume: 5 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic, Size: 16*100 mm; vacuum volume: 1.5 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic Size: 16*100 mm; vacuum volume: 4 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic, Size: 13*75 mm; vacuum volume: 7 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic, Size: 13*75 mm; vacuum volume: 3.5 ml Vacuum tubes for venous blood sampling CORVAY with sodium heparin, plastic Size: 16*100 mm; vacuum volume: 2.5 ml