Model CUBE Centrifugal Roof Exhaust fans are belt driven. These fans are specifically designed for roof mounted applications. Exhaust air is discharged directly upward, away from the roof surface. Fan wheels are centrifugal, backward inclined, and constructed of aluminum. Adjustable motor pulleys allow for final system balancing. All model CUBE fans stocked at Michigan Air Products bear the UL-762 label, approved for use in commercial kitchen applications. Fans are stocked with 115/1Ø motor with thermal overloads. Motors can be easily changed to 3Ø with advance notice. Roof curb required for new roof installations (see related products below). Please note that this item is less the motor & drive package. To purchase a motor and drive package, please add item CUBE-180-7KIT or CUBE-180-10KIT listed below in Related Products to your cart.