Skyaxis wind roof Ventilator 300mm Fluorocarbon polyester coated aluminum alloy and 304/2B stainless steelTwo NSK permanently lubricating bearingsLight weight and sensitive revolvingRust resistant and anti- corrosiveSpins away heat and condensationRemoves moisture build up in winterLow maintenance and easy installationWide range of colors to match with any roofSuitable for tiled and metal roofsCan be used in areas requiring cyclone rated products