Schaefer WS-180 Aluminum Exhaust Fan Shutter Outlet 18 Inch industrial heater Features large 2-1/4" x 3-1/4"

Features large 2-1/4" x 3-1/4" internal dimension for easy connection

Extremely quiet operation at even at top speed

Rapid evaporation of mist can cool the air down by 30 degrees F & produces (1

Schaefer MIT-1600 Datasheet

Schaefer WS-180 Aluminum Exhaust Fan Shutter Outlet 18 Inch industrial heater Features large 2-1/4" x 3-1/4"Schaefer WS 180 WS 180 Aluminum Exhaust Fan Shutter Outlet 18 Inch Schaefer WS 180 aluminum shutter is built tough to last a lifetime in the harshest environments. Schaefer's aluminum fan shutters restrict the airflow to one direction & are utilized as building air flow inlets, for feeding exhaust fans, or to prevent air intrusion when exhaust fans are not operating. Features Constructed with brushed heavy duty aluminum which provides corrosion