Heavy-duty vacuum hose used to connect your vacuum pump to your primary, secondary and tank. Constructed of black weather and ozone-resistant EPDM Rubber, reinforced with spiraled high tensile textile cords and 4 highly flexible steel helix wires. No fluids or liquids should pass through hose. Specifications: Smooth bore and body, full vacuum rating and a service temperature range of -22˚ F to 176˚ F. Sold per foot. Just buy the hose and fittings and we will install the fittings free of charge!