Model G, direct drive centrifugal roof exhaust fans provide the industry's best performance and durability for general clean air applications where air is discharged downward, toward the roof. Units feature the most advanced motor cooling of any fan in its class.

• Speed controllable, with up to 30% turndown
• 17 x 17 inch base with prepunched mounting holes for easy attachment to roof curb
• 13.5 x 13.5 inch recommended roof opening

Model G, direct drive centrifugal roof exhaust fans provide the industry's best performace and durability for general clean air applications where air is discharged downward, toward the roof. Units feature the most advanced motor cooling of any fan in its class.

• Energy-efficient, speed controllable, Vari-green® motor
• 17 x 17 inch base with prepunched mounting holes for easy attachment to roof curb
• 13.5 x 13.5 inch recommended roof opening

Model G, direct drive centrifugal roof exhaust fans provide the industry's best performance and durability for general clean air applications where air is discharged downward, toward the roof. Units feature the most advanced motor cooling of any fan in its class.

• 19 x 19 inch base with prepunched mounting holes for easy attachment to roof curb
• Energy-efficient, speed controllable, Vari-green® motor
• 15.5 x 15.5 inch recommended roof opening