California-certified DVBE · SBA-certified SDVOSB

Verify on Cal eProcure ↗
TD
Backdraft Damper, Vert/Horiz Mtg, 29 3/4Sq
DAYTON

Backdraft Damper, Vert/Horiz Mtg, 29 3/4Sq

29.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr

$130.53
In stock · most orders ship in 1–5 business days
SKU G0543803 · Mfr. Part # 3HHL8

Secure card checkout by Shopify. Purchase orders and net terms welcome — no account needed to order.

✓ Counts toward California's 3% DVBE goal — certified DVBE & Small Business supplier (Cert #2034325) · SBA-certified SDVOSB · 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

More in Ventilation

SIEMENS
Zone Valve, NO, Brass, 1/2 in NPT
SKU G8492023
$156.21
SIEMENS
Hydronic Globe Valve, Two-Way, 3/4 in
SKU G8233382
$81.50
PRICE
8 in Square Square Plaque Diffuser, White
SKU G8989662
$82.59
PORTALS PLUS
Flashing
SKU G2062094
$66.33
NORDFAB
End Cap with Screen, Steel, 20 ga Thick
SKU G710041789
$114.48