Schaefer WS-450 Aluminum Exhaust Fan Shutter Outlet 45 Inch evaporative air conditioner 115 / 230 Volts -

115 / 230 Volts - 50 / 60 Hz: 1

The Vacuum Saver is an inline device that catches machine damaging objects before they reach your vacuum

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Schaefer WS-480 Is Constructed With Brushed Heavy Duty Aluminum

Schaefer WS-450 Aluminum Exhaust Fan Shutter Outlet 45 Inch evaporative air conditioner 115 / 230 Volts -Schaefer WS 450 WS 450 Aluminum Exhaust Fan Shutter Outlet 45 Inch Schaefer WS 450 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