Sample and storage tubes and caps have been designed for the storage and transportation of biological material.

• Manufactured from non-toxic polypropylene
• External threads provide a smooth and uniform inner surface

Manufactured from polypropylene for strength and clarity. The vial has external threads, which provide a smooth and uniform inner surface to reduce the risk of contamination. The screw caps are also produced from polypropylene, providing the same coefficient of expansion as the tubes. This, along with a polypropylene inner lip, ensures a leak-proof seal, even at changing temperatures. The caps feature a long skirt and a super-fast thread design that allows them to be removed or sealed with a single turn.

The caps are available with or without a silicone O-ring, and are available in a variety of colors.