Flexible tubing that can be used with almost any laboratory chemical or peristaltic pump. Non-toxic, odorless, and tasteless. Flexible to -28.8°C (-19.8°F). Resists dry heat to 70°C (158°F). Won't harden, crack, or flake. Durometer hardness (Shore A) = 55. Non-aging. Non-oxidizing. Meets FDA CFR part 175.300 criteria. Autoclavable.