18 in 21"H-W 5 1/4"L Aluminum Backdraft Damper, 18-1/2 in x 18-1/2 in, Aluminum MPN:3HHN7
Discount: See in Cart
Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G1174433
18 in 21"H-W 5 1/4"L Aluminum Backdraft Damper, 18-1/2 in x 18-1/2 in, Aluminum
This aluminum backdraft damper is designed for use in residential and commercial duct systems, providing a reliable and efficient solution for controlling airflow. With a maximum air velocity of 2500 fpm, it can handle high-pressure applications while minimizing noise and vibration. The damper's compact size and aluminum construction make it easy to install and maintain, reducing labor costs and extending its lifespan. Suitable for use in a variety of settings, including HVAC systems, industrial ventilation, and laboratory environments, this backdraft damper offers a cost-effective and efficient solution for managing airflow and maintaining a safe and healthy environment.
Top product features:
- It has a maximum air velocity of 2500 fpm.
- It is made of aluminum.
- It has a free area of 2 sq ft.
Top product applications:
- Backdraft
- Nominal Duct Diameter Not Applicable
- For Duct Shape Not Applicable
21 In.H-W 5 1/4 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 21 in, Rough Opening Diameter 18 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 18 in, For Duct Shape Not Applicable, Free Area 2 sq ft, Overall Width 21 in, Frame Material Thickness 0.8 in, Overall Length 5 1/4 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: 22.00
- Package Width: 21.40
- Package Height: 2.70
- Package Weight: 5.45
Product info last updated on February 28, 2026 12:14pm UTC
Category: Ventilation