42 in 45"H-W 5.75"L Aluminum Backdraft Damper, 42-1/2 in x 42-1/2 in, Aluminum MPN:3C311
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Free Shipping
In Stock
SKU
510-G1483815
42 in 45"H-W 5.75"L Aluminum Backdraft Damper, 42-1/2 in x 42-1/2 in, Aluminum
This 42-inch aluminum backdraft damper is designed for commercial and industrial applications, providing a reliable solution for maintaining a consistent air pressure in ducts. Its compact size and lightweight design make it easy to install and maintain, while its high-quality aluminum construction ensures durability and resistance to corrosion. Suitable for use in a variety of settings, including hospitals, offices, and warehouses, this damper helps to prevent backdrafts and maintain a healthy indoor air quality. Its high air velocity capacity of 2500 fpm also makes it an ideal choice for applications with high airflow demands.
Top product features:
- Backdraft damper prevents backflow of air into a building when a fan or blower is not operating
- Two-panel design allows for easy installation and adjustment
- Maximum air velocity of 2500 fpm enables efficient airflow management
Top product applications:
- Backdraft application
- For Nominal Duct Diameter Not Applicable
- For Duct Shape Not Applicable
45 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 45 in, Rough Opening Diameter 42 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 42 in, For Duct Shape Not Applicable, Free Area 10.3 sq ft, Overall Width 45 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 3 in
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 45.70
- Package Width: 3.30
- Package Height: 46.00
- Package Weight: 22.00
Product info last updated on February 28, 2026 1:15am UTC
Category: Ventilation