Silicone Tubing - 10 Foot Piece (High Temp Hose - 500F) (3/16" I.D. x 5/16" O.D. x 10 Foot) Product Type: Unreinforced Silicone Tubing - Peroxide Cured Max Operating Temp: 500F Working/Burst PSI (at 70F): 10/30 Material Certifications: FDA, NSF 51[U]