HPS 4mm High Temp Silicone Vacuum Hose Red x 5 Feet Hose Inside Diameter: 4mm Temperature Range: - 65 deg. F to + 350 deg. F (177 deg. C) Color: Red Length: 10 Feet Remark: Silicone hose is compatible with water and anti-freeze such as coolant. Silicone hose is NOT compatible with fuel or oil.