EXT External Wall Mount Exhaust Duct Fan 4 inch 177 CFM EXT100B

EXT external mount duct fans are the perfect solution when space restrictions prevent the use of in-line duct fans. Ventilate tight spaces such as basement kitchens, laundry rooms, basement bathrooms, attic mounting, crawl spaces, high rise buildings, apartments and much more with the external mount EXT fan. These 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. EXT fans are available in three standard duct sizes: 4″, 6″ or 8″, with airflow's ranging from 118 cfm to 445 cfm.

FEATURES
Heavy gauge, galvanized steel housing with baked epoxy finish
120V operation
May be mounted on the exterior of a building
Enclosed motor housing for dust & lint
Suitable for air temperatures up to 140 F / 60 C
Energy efficient – speed controllable (optional solid state speed control)
Rugged construction for long life
Built-in back-draft damper
Exceptionally quiet and efficient BC centrifugal motorized impeller
External rotor motor design results in superior motor cooling and durability
Permanently lubricated ball bearing motor for maintenance-free operation
Automatic reset thermal overload protection
Fan and motor are precision balanced for quiet and vibration-free operation
Pre-wired capacitor
Available to fit duct sizes in 4", 6", & 8"; airflow capacities to 445 cfm