Air Conditioning Products Galvanized Frame Wall Exhaust Shutter with Aluminum Blades Rear Flange 18" – 556-STD 18

Galvanized Frame Wall Shutter (Rear Flanged) – The Model 556 is a rear flanged exhaust shutter for areas where corrosion may be a problem. The frame is galvanized steel while the 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 direct-drive or belt-driven exhaust fans. Recommended for vertical mount exhaust applications only.