For natural gravity or positive pressure systems, model GRS offers excellent performance and durability for intake or relief applications. Featuring an exceptional low silhouette design and rugged construction this model is both efficient and economical. Features: All aluminum exterior for corrosion-resistant construction, Integral birdscreen to prevent entry of birds and small objects, Built-in curb cap with prepunched mounting holes for easy attachment to roof curbs

Model GB Centrifugal Roof Exhaust fans are belt drive. These fans are specifically designed for roof mounted applications exhausting relatively clean air. Fan wheels are centrifugal, backward inclined, and constructed of aluminum. Fans come standard with bird screen, NEMA 1 disconnect switch and 115/1Ø motor with thermal overloads. Motors can be easily changed to 3Ø with advance notice.

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).

Model GB Centrifugal Roof Exhaust fans are belt drive. These fans are specifically designed for roof mounted applications exhausting relatively clean air. Fan wheels are centrifugal, backward inclined, and constructed of aluminum. Fans come standard with bird screen, NEMA 1 disconnect switch and 115/1Ø motor with thermal overloads. Motors can be easily changed to 3Ø with advance notice.