... preventing the sticking and hemolysis, which not only blood sampling tubes but the test tubes. Product DescriptionRemark Color Code: RedSpecifications: Ø13x75mm, ... Ø13x100mmGeneral Sampling Dosage: 2ml, 3ml, 4ml, 5ml, 6ml, 7mlMaximum Centrifugal ... : ≤2.5hOperation Temperature: 0 °C-37 °CMaximum Vacuum Tolerance: ±10%