Schaefer WS-270E Aluminum Exhaust Fan Shutter Outlet 27 Inch confined space ventilation * Height - std hopper:

* Height - std hopper: 48

Quick-connect hose connectors

Cool Machines CV-16 C2U116-20-F Cool Vac CV16 Insulation Machine Vacuum

Weight: 1919 lbs

For use steel beams

Schaefer WS-270E Aluminum Exhaust Fan Shutter Outlet 27 Inch confined space ventilation * Height - std hopper:Schaefer WS 270E WS 270 Aluminum Exhaust Fan Shutter Outlet 27 Inch Schaefer WS 270 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