BD 3ml Vacutainer Barricor™ Tube Lithium Heparin 13 x 75mm - Box of 100Single use, evacuated, sterile blood collection tubes containing an inert mechanical separator and Lithium Heparin intended for the primary containment and preservation of specimens for the purposes of in vitro diagnostic examination. Used to obtain and separate a plasma sample. These products are intended for use by healthcare professionals. Tube size (mm): 13 X 75 Draw volume (mL): 3