* Material: PET/Glass; * Cap color: Blue; * Additive: 3.2% Sodium Citrate (1:9); * Specimen: Whole Blood; * Size: 13x75,13x100,16x100mm; * Draw volume: 2-10ml; * Max. vacuum degree tolerance: ±10%; * The foil package stop the additive escape from the PET tube, make the tube within it have a 2 years shelf time. Invert immediately after draw, gently invert tube 3 to 4 time.