Flex-Tube Series hoses from Flexaust are made from polyurethane or PVC and available in OEM colors with plain ends or screw cuffs. The medium-weight hoses with smooth interiors are available in 1-, 1 1/4-, 1 1/2- and 2-inch diameters in lengths up to 100 feet. 800/343-0428; www.flexaust.com.