HPS 1/4" (6mm) Red Silicone Vacuum Hose x 5 Feet Vacuum Hose Inside Diameter: 1/4" (6mm) Hose Length: 5 Feet (1.52m) Heavy wall design gives it the ability to handle extreme pressure. Ultra flexible & Excellent tensile strength, Made of Premium grade Silicone. Remark: Silicone hose is compatible with water or anti-freeze such as coolant. Silicone hose is NOT compatible with fuel or oil.