High quality vacuum silicone hose BOOST Products Vacuum Silicone Hose 4mm (0.15") ID, Blue, 15m (50ft) Roll highest quality in blue! high quality Vacuum and Over pressure Silicone Hose with textile Layers These Hoses are suitable for your intercooler system, intake system, water lines or similar. The can withstand up to 5 Bar and temperatures up to 220° C. They are not to be used as fuel line, oil line, vacuum line or brake booster units! Length: 15m (50ft) roll Inner Diameter: 4mm (0.15") Wall Thickness: 2,0mm Textile Layers: none Temperature Range: -40°C to 220°C Pressure resistant until: maximum 1 bar Colour: blue (completely) After many tests we deliver best quality at the best price! The BOOST Products silicone hoses have achieved and many times even exceeded the quality of silicone hoses compared to ones made by well known manufacturers in quality tests. This silicone is durable and flexible, stable and colour-proof after many years. Lots of well known company/s in the tuning and motorsport areas rely on silicone hoses made by BOOST Products. Put your trust in our Quality! What you should consider with Silicone - The diameter refers to the Inner diameter - When choosing the clamp take the Wall Thickness x2 for the right Size - Silicone Hoses are 1-3mm elastic - If you can/t find the right size, choose the smaller one which is available