18 in 21"H-W 5 1/4"L SS Backdraft Dampr, 18-1/2 in x 18-1/2 in, Stainless Steel MPN:4FZJ6
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In Stock
SKU
510-G3445601
18 in 21"H-W 5 1/4"L SS Backdraft Dampr, 18-1/2 in x 18-1/2 in, Stainless Steel
21 In.H-W 5 1/4 In.L SS Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Stainless Steel, 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 1.9 sq ft, Overall Width 21 in, Frame Material Thickness 0 in, Overall Length 5 1/4 in, Connection Type Not Applicable, Frame Depth 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: 21.80
- Package Width: 2.90
- Package Height: 22.30
- Package Weight: 6.88
Product info last updated on January 22, 2026 10:00am UTC
Category: Ventilation