High quality vacuum silicone hose BOOST products Vacuum Silicone Hose 4mm (0.15") ID, Black, 3m (9ft) Roll Highest quality in black! High quality vacuum silicone hose These Hoses are suitable for your intercooler system, intake system, water lines or similar. They can withstand up to 5 Bar (recommend max is 2 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: 3m (9ft) roll Inner Diameter: 4mm (0.15") Wall Thickness: 3,5mm Textile Layers: none Temperature Range: -40°C to 220°C Recommend max. pressure: 2bar Colour: black (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 5 Years BOOST products Warranty For this item you receive 5 years warranty in the Area of the Federal Republic of Germany, additionally to the legal guarantee. The processing is handled directly by BOOST products GmbH regarding the BOOST products Warranty Terms. You find these at www.boost-products.eu/en/cont/warranty-conditions/ .