Schaefer WS-300E Aluminum Exhaust Fan Shutter Outlet 30 Inch cm-3500xls To ensure maximum safety

To ensure maximum safety

Dual adjusting jaws include concealed locking latches

Schaefer 483B1 Datasheet

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Schaefer WS-300E Aluminum Exhaust Fan Shutter Outlet 30 Inch cm-3500xls To ensure maximum safetySchaefer WS 300E Aluminum Exhaust Fan Shutter Outlet 30 Inch Schaefer WS 300 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 resistance &