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This rear-flanged wall exhaust shutter is designed for facility teams installing vertical exhaust ventilation. It works with an exhaust fan to open during operation and close when airflow stops, helping protect the wall opening from weather.
The shutter has a galvanized steel frame and mill-finish aluminum blades. Each blade includes a galvanized reinforcement strip for added strength and counterbalancing efficiency, plus a felt leading-edge seal for quieter closing. It is intended for vertical mounting with direct-drive or belt-driven exhaust fans. Overall dimensions are 21 inches wide, 2.5 inches deep, and 21 inches high.
Key Features:
Choose this shutter for vertically mounted wall exhaust applications that require a rear-flanged design, aluminum blades, and automatic closing protection when the fan is not operating.
| Country of Origin: | US |
| Material: | Aluminum/Galvanized Steel |
| Product Depth: | 21" |
| Product Height: | 21" |
| Product Type: | Louvers & Vents |
| Product Width: | 2.5" |
| Quantity Included: | 1 |
| Shipping Weight: | 7.5 lbs |
| Manufacturer Part Number: | 556-STD 18 |
| Length: | 2-1/2 in |
| Width: | 21 in |
| Height: | 21 in |
| Inside Width: | 18 in |
| Inside Height: | 18 in |
| Weight: | 8 lbs |
| Free Area: | 1.82 ft³ |
| Inside Dimensions: | 2-1/2 (Length) in |
| Max Pressure In W.G.: | 1 in |
| Max Velocity (per Minute): | 2500 ft/min |
| Rough Opening: | 18.5 x 18.5 in |
| Brand: | Air Conditioning Products |
| Finish: | Mill Finish |
| Flange Style: | Rear Flange |
| For Use With: | 18" Exhaust Fans |
| Manufacturers Part Number: | 556-STD 18 |
| Mounting Location: | Vertical |
| Number of Panels: | 1 |
| Type: | Gravity |
| Warranty: | 1 yr |
| Width: | 21.00 in |
| Height: | 21.00 in |
| Depth: | 2.50 in |
No additional information available.
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