Features: 1.The vacuum tube is made by high density silicon rubber, quality assurance 2.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 3.Withstands operating temperatures from -60 to +260, and capable to handle extreme pressure 4.Its inner diameter is 4mm (0.16"), outer diameter is 9mm (0.35") 5.Universal application for all air/pump/ gauge/ turbo/ vacuum fittings or inlet/ outlet Specification: Description:_x000D_ 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._x000D_ _x000D_ Features:_x000D_ _x000D_ The vacuum tube is made by high density silicon rubber, quality assurance. _x000D_ 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. _x000D_ Withstands operating temperatures from -60 to +260, and capable to handle extreme pressure. _x000D_ Its inner diameter is 4mm (0.16"), outer diameter is 9mm (0.35"). _x000D_ Universal application for all air/pump/ gauge/ turbo/ vacuum fittings or inlet/ outlet. _x000D_ _x000D_ Specifications:_x000D_ Condition: 100% brand new_x000D_ Material: silicon rubber_x000D_ Color: blue / red (optional)_x000D_ Length: approx.5 meters_x000D_ Inner Diameter: 4mm / 0.16"_x000D_ Outer Diameter: 9mm / 0.35"_x000D_ Working Temperature: -60 ~ +260_x000D_ Package Weight: approx.320g_x000D_ Fitment: universal_x000D_ _x000D_ Package List:_x000D_ 1 * Silicone Vacuum Tube (5 Meters)_x000D_ _x000D_ Note:_x000D_ Please allow 0.2 inch error due to manual measurement, thanks for your understanding. PackageList: