Check the listing for details. 1/2" ID x 3/4" OD Thick Wall Silicone High Temp Hose (500F) Tubing for Robobrew. Condition: New. Listed at 7.00 USD. 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 such as a March or Chugger pump, but we do not recommend it with a impeller pump or for use with household water pressure. *Will burst at 30 PSI at 70F.Quantity ordered will be shipped as a single uncut length.This is the size for most brewing applications including anything with 1/2" fittings like pumps, valves and the Robobrew.