EXT100B External Mount Duct Fans, 4", 177 cfm

Continental Fan’s EXT External Mount Duct Fans are the perfect solution when space restrictions prevent the use of in-line duct fans. EXT fans provide a simple through-the-wall solution, and can be sidewall mounted on the exterior of a building to allow for easy access to the fan. EXT fans utilize quiet and energy efficient external rotor motors.

 External_Mount_Duct_Fans_Data_Sheet

 Design Features
• External rotor motors
• Enclosed motor housing for dust & lint
• Permanently lubricated ball bearing motors
• Maintenance free motor
• Automatic reset thermal overload protection
• Quiet & efficient, vibration free operation
• Rugged construction for long life
• Speed controllable
• Built-in backdraft damper