Wall Backdraft Damper, Vertical Mount, 18 in Dia Fan, 21 in H x 21 in W x 6-1/4 in D, 2000 fpm MPN:2C521
Discount: See in Cart
Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G2830737
Wall Backdraft Damper, Vertical Mount, 18 in Dia Fan, 21 in H x 21 in W x 6-1/4 in D, 2000 fpm
21 In.H-W 6 In.L Aluminum Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 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 2.1 sq ft, Overall Width 21 in, Frame Material Thickness 20 ga, Overall Length 6 in, Connection Type Not Applicable, Frame Depth 2 1/4 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: 22.50
- Package Width: 21.70
- Package Height: 2.70
- Package Weight: 5.80
Product info last updated on February 15, 2026 8:47am UTC
Category: Ventilation