Schaefer WS-180 Aluminum Exhaust Fan Shutter Outlet 18 Inch industrial heater Cool Machines C7P760 is a

Cool Machines C7P760 is a steel insulation vacuum hose reducer

Features large 2-1/4" x 3-1/4" internal dimension for easy connection

Extremely quiet operation at even at top speed

14-2014 OSHA 1926

Schaefer WS-180 Aluminum Exhaust Fan Shutter Outlet 18 Inch industrial heater Cool Machines C7P760 is aSchaefer WS 180 WS 180 Aluminum Exhaust Fan Shutter Outlet 18 Inch Schaefer WS 180 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