USA FDA approved food grade Silicone Hose (1/2" ID, 3/4" OD). Flexible silicone tubing with a maximum operation temperature of 350°F. Perfect for post-boil wort and transferring of hot liquids. This tubing will not introduce any odors or flavour to your wort or water, even at high temperatures. Burst pressure is at 30 psi at 70°F.