... /hardness value of 65 Shore Reinforced Silicone Hose:polyester yarn braiding inside the wall enhances ... streamsIt has undergone extensive physical, chemical, and biological testing and meets USP Class VI, FDA. Resists temperature ... attack, ozone, radiation, moisture, and environmental exposureCustom lengths, sizes, special cleaning, and/or packaging available Braided/Reinforced Silicone Hose/Tube