Designed to fit radiator necks and expansion tanks with an 8 mm OD overflow pipe, providing a secure and flexible solution for overflow and expansion return applications. This figure is based on the theoretical burst pressure at 20°C, using a safety factor 4:1. Any increase in temperature above 20°C will result in a decrease in pressure capabilities. Easy installation: Simply connect to the overflow outlet, cut to length and secure with clips Efficient cooling support: Helps manage overflow effectively, reducing mess and supporting stable operating temperature For best results, ensure the tube is fully seated on the overflow outlet and routed away from sharp edges and hot components. Secure using the supplied clips. Experience peace of mind knowing that your radiator overflow needs are.