Convenient for sample collection, transport and storage in laboratories, hospitals, biotechnology, forensic science and field studies. Leakproof cap features security seal with a tamper evident ring. If the tube is open the ring separates from the cap. Once the seal is broken, the cap will continue to be a conventional leak proof closure. Spare caps are available separately.

Choose 5 mL and 10 mL sizes. Conical design with a free-standing base for easy sample loading. Frosted writing area for sample identification. Molded graduations, in 1 mL steps allow easy volume reference. Manufactured of high clarity, chemical resistant polypropylene with low adhesion characteristics. Usable temperature range is -90°C to +121°C. Autoclavable.