7.75"H-W 4.5"L Aluminum Backdraft Damper: For 8 in Fan, For 8 in Nominal Duct Dia, Single Panel
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DAYTON 7.75"H-W 4.5"L Aluminum Backdraft Damper: For...
Item 3HHL4
$48.60
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Product Details
| Catalog Page | 2812 |
| Brand | DAYTON |
| Rough Opening Diameter | 8 in |
| Rough Opening Width | 8 in |
| Free Area | 0.3 sq ft |
| Number of Panels | 1 |
| Rough Opening Length | 8 in |
| Mounting Location | Ceiling, Wall |
| Flange Type | None |
| Rough Opening Shape | Square |
| Overall H x W | 7-3/4 in x 7-3/4 in |
| Frame Material | Galvanized Steel |
| Frame Depth | 2 in |
| Blade Material | Aluminum |
| For Nominal Duct Diameter | 8 in |
| Maximum Air Velocity | 2000 fpm |
| Fits Fan Diameter | 8 in |
| Mounting Position | Vertical, Horizontal |
| Mfr. Model # | 3HHL4 |
| Country of Origin | USA (subject to change) |
| UNSPSC | 40101504 |
Description
7.75 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter 8 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 7 3/4 in, Rough Opening Diameter 8 in, Rough Opening Shape Square, Fits Fan Diameter 8 in, For Duct Shape Square, Free Area 0.3 sq ft, Overall Width 7 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 8 in, Maximum Pressure 1 in wc