TurbosmartÕs 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), TurbosmartÕs 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 itÕs ready when you need it most. Replace and repair with TurbosmartÕs 3M Vac Tube: engineered to win!