Designed for storage and transportation of biological material.

• Manufactured from nontoxic polypropylene
• Tubes have external threads and a smooth, uniform inner surface that reduces the risk of contamination
• These virtually unbreakable tubes feature a self-standing base and clear sides

Tubes 14231-886 feature graduations from 1 to 9 ml in 0.5 ml increments and a white marking area for sample identification. Polyethylene caps 14231-888 feature a flexible inner sealing lip that ensures a leakproof seal. All caps also feature a long skirt and may be removed or sealed with only a single turn.