BD Microtainer Blood Collection Tubes were designed for ease of use, and help to ensure that a quality capillary blood sample is collected. The wider-diameter BD Microtainer Tube with BD Microgard Closure features an integrated collection scoop and improved mixing ability. This full array of microcollection tubes is available for hematology and chemistry applications, and is color coded to match the array of evacuated BD Vacutainer Blood Collection Tubes. Added Benefits · Printed lot numbers, fill lines, and expiration date on each tube · Extenders can be attached to assist with attaching patient labels for transport.