Schaefer WS-660 Aluminum Exhaust Fan Shutter Outlet 66 Inch disinfectant fogger D: 15 - 1/4"

D: 15 - 1/4"

Integrated engine block cooling air filter

positive pressure lubrication

Size: 60 inches

Rough In: 24 3/8" x 24 5/8"

Schaefer WS-660 Aluminum Exhaust Fan Shutter Outlet 66 Inch disinfectant fogger D: 15 - 1/4"Schaefer WS 660 WS 660 Aluminum Exhaust Fan Shutter Outlet 66 Inch Schaefer WS 660 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