No need to perform correlation studies Available untreated and heparinized Eliminates the risk of transmission of bloodborne pathogens associated with broken glass tubes Better than film-coated glass because the tubes cannot shatter and escape protective wrap Unique bore allows user to draw samples quickly Plastic material does not interfere with cell packing Available treated with sodium heparin for use in “finger sticks” and untreated for use with anticoagulated blood Order Info Available in 75mm size for most traditional hematocrit centrifuges Compliance Meet NIOSH, OSHA, and FDA Joint Advisory Recommendations