Galvanized Steel Dome for Roof Mount Power Attic Ventilators Color:Mill using only 20 This adjustable thermostat control using only 20 This adapter frame is the ultimate professional solution for installing your CX1025SOL solar roof mount fan (sold separately) onto your corrugated metal roof This dome kit includes the screw and spring nut hardware and can be used to replace older model plastic domes by removing the existing 3 brackets and reinforcement ring and replacing them with the brackets included with this replacement kit Replace your worn or damaged dome to keep your attic protected from the elements and your fan operating efficiently