TUBE, CAPILLARY K2EDTA VLT 300UL POLY MICROVETTE (100/PK) The Microvette CB 300 capillary tube, along with its attached push cap, is supplied complete with a carrier tube that is also suited for transport and centrifugation The cylindrical outer tube is ideal for attachment of a barcode label for direct sample analysis The trumpet-shaped capillary tube ensures optimum serum/plasma recovery after centrifugation Compatible with different analysers as a primary tube for direct sampling