100% quality assurance tested. Silicone has various colours: Red black & etc you could chose your requirement color, thanks. Brand New / Low Price. Working temperature: -60260 degrees. Working Pressure: 0.3 to 0.9 Mpa. Thickness: 2mm to 5mm, 34-ply. Size Tolerance: +/- 0.5mm. High Quality Silicone hose kit. You will receive what’s in the picture. Made of High Quality Silicone. For High Temperature and High Boost Application. 3-Ply Nylon for Strong Reinforcement. Working pressure 85 PSI / Burst pressure 245 PSI. Withstands Operating Temperatures from -65F to 500F Degrees Fahrenheit. And we will do the same for you automatically! Thank you for your cooperation. Thanks for your visit. Welcome to my store again.