Schaefer WS-540 Aluminum Exhaust Fan Shutter Outlet 54 Inch schaefer vk36-osha Its simple design & minimal

Its simple design & minimal moving parts produce a low-maintenance insulation machine that is easy to repair

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Cooling in Tons: 1

Schaefer WS-540 Aluminum Exhaust Fan Shutter Outlet 54 Inch schaefer vk36-osha Its simple design & minimalSchaefer WS 540 WS 540 Aluminum Exhaust Fan Shutter Outlet 54 Inch Schaefer WS 540 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. Specifications Constructed with brushed heavy duty aluminum which provides corrosion