DAYTON
Backdraft Damper, Vert/Horiz Mtg, 29 3/4Sq
$115.99
In stock · Mfr. Part # 3HHL8
Most in-stock items ship in 1–5 business days — exact lead time confirmed on your order or quote.
29.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr
✓ Counts toward California's 3% DVBE goal — certified DVBE & Small Business supplier (Cert #2034325) · POs & net terms accepted · certification docs →Specifications
- Brand
- DAYTON
- Mfr. Part #
- 3HHL8
- Category
- Ventilation
- Country of Origin
- USA
- Damper Application
- Backdraft
- For Nominal Duct Diameter
- 30 in
- Frame Material
- Galvanized Steel
- Number of Panels
- 1
- Maximum Air Velocity
- 2000 fpm
- Overall Height
- 29 3/4 in
- Rough Opening Diameter
- 30 in
- Rough Opening Shape
- Square
- Fits Fan Diameter
- 30 in
- For Duct Shape
- Square
- Free Area
- 6 sq ft
- Overall Width
- 29 3/4 in
- Frame Material Thickness
- 20 ga
- Overall Length
- 4 1/2 in
- Frame Depth
- 2 in
- Rough Opening Length
- 30 in
- Maximum Pressure
- 1 in wc
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