Translucent, food-grade tubing temperature rated to 500F.,Odorless, tasteless, and inert Silicone tubing is FDA food-grade approved from -100F to 500F. Translucent natural color allows you to see the flow. The perfect tubing for building a personal brewery, especially for any time that the wort in contact with tubing will be above 180F. This tubing is not designed to hold pressures above 20psi. It works great with our magnetic drive pumps listed above, but we do not recommend it with a impeller pump or for use with household water pressure. 1/2" ID * 3/4" OD * Will burst at 30 PSI at 70F.,,1/2" ID,3/4" OD,30 PSI Burst at 70F,,This also often spelled as Silicon Tubing without the e.