Aluminum Supply (Intake) Wall Shutter 20" - CWV-20x20

The Model 502 is an economy rear flanged vertical mount automatic exhaust shutter. It is designed to allow horizontal airflow in one direction and to prevent reverse airflow while providing protection from environmental elements when the airflow stops. The blades open with airflow and close by gravity when the fan shuts down. Ideal for direct-drive or belt-driven exhaust fans. Do not use with vane axial or tube axial fans. MADE IN THE USA

The Stainless Steel Wall Shutter is a rear flanged exhaust shutter for areas that require extreme corrosion resistance. The frame and blades are 304 stainless steel with stainless steel tie rods and hardware. Ideal for use with direct-drive or belt-driven exhaust fans in chemical plants and food processing operations. Recommended for vertical mount exhaust applications only. MADE IN THE USA

This Birdscreen is for use with all 42" Exhaust Fans.

High Velocity Wall Shutter – The Model EAS-HDGS is a rear flanged exhaust shutter for applications that require higher velocities. The frame and blades are mill finish extruded aluminum with stainless steel tie rods. Ideal for use with direct-drive or belt-driven exhaust fans. Recommended for vertical mount exhaust applications only.

Aluminum Wall Shutter (Front Flanged) - The Model EASR is a front flanged exhaust shutter for areas where corrosion may be a problem. The frame and blades are mill finish aluminum. The blades have a galvanized reinforcement strip across the top of each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Ideal for use with cabinet fans and flush mount direct-drive or belt-driven exhaust fans. Recommended for vertical mount exhaust applications only.