Turbosmart?s 3M Pack -4mm Vac Tube Blue is the perfect spare for any setup. Designed to perform in extreme temperatures ranging from -50?C to 170?C (-60?F to 340?F), Turbosmart?s high-performance silicone hose provides reliability and consistent performance. With Turbosmart, you can rest assured that you have a spare that will stand up against whatever conditions you may face, so it?s ready when you need it most. Replace and repair with Turbosmart?s 3M Vac Tube: engineered to win!