Schaefer WS-200 Aluminum Exhaust Fan Shutter Outlet 20 Inch 7500 The base has numerous handles

The base has numerous handles and 10” wheels allowing ease of mobility

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7493A Spec

Schaefer WS-200 Aluminum Exhaust Fan Shutter Outlet 20 Inch 7500 The base has numerous handlesSchaefer WS 200 WS 200 Aluminum Exhaust Fan Shutter Outlet 20 Inch Schaefer WS 200 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