Constructed with black flexible EPDM rubber with bright colored polyethylene helix construction. (Stiff and durable) Features excellent blend of chemical resistance, physical durability, provides cold weather flexibility and is highly resistant to UV and temperature extremes. Specifications: smooth bore, convoluted cover, full vacuum rating and a service temperature range of -40˚ F to 160˚ F. Sold per foot. Just pay for the hose and fittings and we will install the fittings free of charge!