Schaefer WS-120 Aluminum Exhaust Fan Shutter Outlet 12 Inch schaefer versafog Fiberglass and Rockwool

Fiberglass and Rockwool

Constructed from durable clear polyethylene with a reinforced wire helix design

Auxiliary and (IWS) Internal Wetting System outlets accommodate accessory devices

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 Fiberglass and RockwoolSchaefer 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