18 in 21"H-W 6.5"L Extrd Alu Backdraft Dampr, 18-1/2 in x 18-1/2 in, Aluminum MPN:4FZH5
Discount: See in Cart
Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G0646904
18 in 21"H-W 6.5"L Extrd Alu Backdraft Dampr, 18-1/2 in x 18-1/2 in, Aluminum
This aluminum backdraft damper is designed for use in commercial and industrial settings, providing a reliable solution for controlling airflow in duct systems. Its compact size and square shape make it ideal for installation in tight spaces, while its durable aluminum construction ensures long-lasting performance. By allowing for controlled airflow and preventing backdrafts, this damper helps to maintain a consistent indoor environment and reduce energy consumption. Suitable for use with fans of up to 18 inches in diameter, it is a versatile and effective solution for a variety of applications, including industrial ventilation and commercial HVAC systems.
Top product features:
- It has a maximum air velocity of 3250 fpm.
- It has a free area of 2 sq ft.
- It is made of aluminum with a frame material thickness of 0.8 in.
Top product applications:
- Backdraft Damper
- Backdraft Damper Application
- Nominal Duct Diameter Not Applicable
21 In.H-W 6.5 In.L Extrd Alu Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 3250 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 6 1/2 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: 22.10
- Package Width: 3.40
- Package Height: 22.60
- Package Weight: 6.85
Product info last updated on February 3, 2026 2:17pm UTC
Category: Ventilation