ClearGreen® phthalate-free PVC standard laboratory tubing has superior clarity, biocompatibility and is friendlier to the environment at time of disposal than phthalate plasticized PVC. Sterilization via autoclave, ethylene oxide or gamma irradiation. Usable temperature range is -58 to 165°F (73°C). Fully complies California's EPA environmental standards and with the requirements of the USP Class VI. It's non-Pyrogenic and non-hemolytic.