The BD Vacutainer Tube PST II Plasma 3ml is used to separate plasma samples. Each one contains Lithium Heparin to prevent coagulation and an acrylic gel that forms a barrier between the cells and plasma during centrifugation. The easily identifiable light green Hemogard closure cap and block label, makes them perfect for patient samples. Additive: Lithium / Heparin and gel Cap colour: Light green Label type: Block Size: 13mm x 75mm CE Marked 367373 5060880997680 ukmedi