21"H-W 4.5"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 in D, Felt
In Stock
$95.90
/each
Earn 95 points with this purchase
Request quantity discount pricing
Compliance & Restrictions
Hazardous Material
Contains hazardous waste materials
You're Viewing
DAYTON 21"H-W 4.5"L Aluminum Backdraft Damper: For 1...
Item 4HX66
$95.90
Customers Also Viewed
No related products found.
Product Details
| Catalog Page | 2812 |
| Brand | DAYTON |
| Rough Opening Width | 19.5 in |
| Number of Panels | 1 |
| Rough Opening Shape | Square |
| Rough Opening Length | 18-1/2 in |
| Frame Depth | 2 in |
| Blade Material | Aluminum |
| Frame Material | Galvanized Steel |
| Free Area | 1.9 sq ft |
| Maximum Air Velocity | 2000 fpm |
| Overall H x W | 21 in x 21 in |
| Fits Fan Diameter | 18 in |
| Flange Width | 1 in |
| Rough Opening Diameter | 19-1/2 in |
| Mounting Location | Ceiling |
| Mounting Position | Horizontal |
| Flange Type | Rear Flange |
| Mfr. Model # | 4HX66 |
| Country of Origin | USA (subject to change) |
| UNSPSC | 40101504 |
Description
21 In.H-W 4.5 In.L Aluminum Backdraft Damper, 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 19 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 18 in, For Duct Shape Square, Free Area 1.9 sq ft, Overall Width 21 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 18 1/2 in