Duroflow FEATURES : Solid bi-lobe rotor profile to prevent build up of ingested material Serrated rotor tips providing more air flow with less power consumption Heavy duty, single piece reinforced cast iron cylinder Integral ribs for cooler operating temperatures Dual Splash Lubrication with efficient slinger Oversized bearings to fix rotor position and support each shaft Advanced oil and air seals provide leak free operation Helical timing gears mounted on shaft splines Duroflow Brochure