Cap color: purple ,yellow, green, red Additive: K2EDTA or K3EDTA, Separation Gel, Heparin Lithium, Plain Blood Volume: 0.25ml, 0.5ml Technical parameters: Usage: used with blancet to collect blood from finger tip in hospitals and labs. Test items: Whole blood hematology determinations, blood type verification, or blood cross-matching test. Model Number: 8 45mm Disinfecting Type: EOS Size: 8 45mm Stock: NO Shelf Life: 2 years Material: PP, PP Quality Certification: ce Instrument classification: Class II Safety standard: GB/T18830-2009 Properties: Medical Polymer Materials & Products Color: Red, Yellow, Lavender, Green Usage: BLood test Packing: Carton Name: micro blood collection tube Type: Pipe,Drainage Tubes & Containers Supply Ability Supply Ability 2000000 Piece/Pieces per Month