Description: This is a roll of 5 meters silicone vacuum tube whose diameter is 4mm. It is designed to help you get rid of the troubling of washing throttle valve and disassembling the original inlet box. Features: The vacuum tube is made by high density silicon rubber, quality assurance. Anti fouling coating finished on silica gel surface make it with features of soft, high insulation and resistant to high & low temperature, weather & oxidation resistance, which is durable and long lasting. Withstands operating temperatures from -60℃ to +260℃, and capable to handle extreme pressure. Its inner diameter is 4mm (0.16"), outer diameter is 9mm (0.35"). Universal application for all air/pump/ gauge/ turbo/ vacuum fittings or inlet/ outlet. Specifications: Condition: 100% brand new Material: silicon rubber Length: approx.5 meters Inner Diameter: 4mm / 0.16" Outer Diameter: 9mm / 0.35" Working Temperature: -60℃ ~ +260℃ Package Weight: approx.320g Fitment: universal Package List: 1 * Silicone Vacuum Tube (5 Meters) Note: Please allow 0.2 inch error due to manual measurement, thanks for your understanding..