The new upgraded black silicone vacuum hoses with inner diameter of 3/8inch(10mm),Outer Diameter 0.6inch (16mm) Vacuum hoses has a wall thickness of 0.12 inches (3mm); The pipe length is 6.6 feet (2 meters) Vacuum silicone hose is made of silicone material. High temperature resistance! 130PSI maximum pressure to strength, good plasticity, strong durability, long-term use, not easy to damage. Vacuum hose characteristics:Working Pressure: 43PSI. Pressure: 130PSI (room temperature);100PSI (high temperature). Temperature range: -40F to 428F (-40C to 220C) Scope of application: suitable for water or air transportation in engine compartment, automobile refitted intake pipe heater, refitted vehicle connector, intercooler connector, DIY air intake or radiator cooling system. Silicone hoses are only used for air and water. Colour:Black Material:Silica Gel Package Contents: 1x Vacuum Hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.