20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum MPN:53DR11
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Free Shipping
In Stock
SKU
510-G9180845
20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum
The Dayton 25 in. x 22 1/2 in. Aluminum Backdraft Damper is a reliable solution for preventing backdrafts and maintaining indoor air quality. Ideal for use in residential and commercial applications, this damper features a sturdy aluminum construction and a free area of 2.5 sq. ft. to ensure efficient airflow. Its compact design fits snugly into 20 in. fan diameters, making it perfect for new construction or replacement projects. By preventing backdrafts, this damper helps reduce energy loss and improves overall system performance, making it a valuable addition to any HVAC system.
Top product features:
- 20 in diameter fits in a square rough opening
- Galvanized steel frame provides durability
- Maximum air velocity of 2500 fpm allows for efficient airflow
Top product applications:
- Backdraft
- Nominal Duct Diameter
- Fan Diameter
25 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 25 in, Rough Opening Diameter 22 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.5 sq ft, Overall Width 25 in, Frame Material Thickness 20 ga, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 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: 28.70
- Package Width: 27.50
- Package Height: 2.80
- Package Weight: 8.90
Product info last updated on February 25, 2026 5:50pm UTC
Category: Ventilation