Heparinised with sodium heparinate over internal surface. BRAND™ Micro-haematocrit Capillary Tubes coded red for capillary blood. Disposable without calibration mark.
Designed for whenever only the smallest amounts of blood are required. BD Microtainer™ Tubes with Microgard™ Closure are color coded to correspond with the type of blood collection and are marked with the correct filling level for the anticoagulant.