The S-Line Is A Revolutionary Series Of Fans That Combine Energy Efficiency, Ultra-Quiet Operations & A Collection Of Advanced Technologies That Deliver Unparalleled Performances. An Extremely Energy Efficient Ac Brushless Motor Powers The Patented Mixed-Flow Dual Impellers. Built With Double Insulated Walls, Noise Is Reduced To Levels That Were Previously Thought To Be Unattainable. All S-Line Models Are Assembled With High Impact Resistant Polycarbonate Casings, An Integrated Back Draft Damper & A Mounting Bracket Designed For Quick & Easy Installation.
