Schaefer WS-180 Aluminum Exhaust Fan Shutter Outlet 18 Inch industrial heater Features large 2-1/4" x 3-1/4"

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

250 Lumens

Schaefer CS130 Fan Motor Datasheet

Extra thick shroud - 2X thick abrasive resistant in main wear area

Cool Machines C7P760 is a steel insulation vacuum hose reducer

Schaefer WS-180 Aluminum Exhaust Fan Shutter Outlet 18 Inch industrial heater Features large 2-1/4" x 3-1/4"Schaefer 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