EASILY TRANSFER WATER/AIR ETC. WITH OUR CAR HEATER HOSEProduct AttributesColors: BlackSizes:Total Length: 10 FtOD: 0.55 inch / 14 mmID: 0.31 inch (5/16 inch) / 8 mmWall Thickness: 0.12 inchWeight: 19.32 ozMaterial: SiliconePackaging: Heater Hose*1Product Functions & Features1. Pre-purchase Note: Please check the size information of the hose carefully before buying to avoid being unable to use it after receiving it2. Silicone Material: Good temperature resistance, its flexibility can be easily bent to adapt to complex installation paths, reducing difficulties in the installation process, can be cut3. Fluid Transfer: Our heater hose plays an important role in automotive systems, responsible for transferring circulating coolant and so on, thus keeping the temperature stable