Sealed box but selling individually. Used primarily for livestock blood collection. The Ideal Blood Collection Tubes, Vacuum/EDTAK2, 6 mL are medical laboratory tubes specifically designed for blood collection. Manufactured by Ideal Instruments, these tubes are evacuated to prevent sample contamination and ensure accurate results. The 6 mL size allows for ample sample collection while the EDTAK2 design promotes easy and efficient blood collection. Ideal for medical laboratory use, these tubes are a reliable and essential tool for precise and reliable blood testing.