Schaefer WS-120 Aluminum Exhaust Fan Shutter Outlet 12 Inch schaefer versafog and for any spot or

and for any spot or areas where insects and pests hide

Constructed from durable clear polyethylene with a reinforced wire helix design

5 to 2 Inch

Schaefer 36CFO features OSHA compliant guards while producing maximum airflow

Schaefer WS-120 Aluminum Exhaust Fan Shutter Outlet 12 Inch schaefer versafog and for any spot orSchaefer WS 120 WS 120 Aluminum Exhaust Fan Shutter Outlet 12 Inch Schaefer WS 120 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