VACUETTE® Blood Collection Tube, Z No Additive, Non-Ridged, White Cap with Black Ring - 6 mL - 13 x 100 - Box of 50

Designed to improve safety and hygiene during specimen collection procedures thanks to virtually unbreakable PET plastic that's as clear as glass
No additive tubes are used in determinations for clinical chemistry and hormones, microbiological serology, immunology, TDM and crossmatching
After one hour, blood in the tube is completely coagulated
Evacuated and are sterile on the inside
Typically used as discard tubes or as an alternative to serum tubes with a clot activator