... nasal tube,catheter and joint.2.Only for one time use,convenient.3.Suitable for adult,child,infant.4.Twin Nasal ... Ø13x100mmNormal Sampling Dosage: 2ml, 3ml, 4ml, 5ml, 6ml, 7mlCoagulation Time: 10-30 MinutesMaximum Centrifugal Speed: 5000 turns/min.Operation Temperature ... 37 Maximum Vacuum Tolerance: ±10%Cloting Time: When the platelets are normal, the coagulation time is not more than 5 minutes.Shaanxi ...