21"H-W 5.75"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 1/2 in D
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DAYTON 21"H-W 5.75"L Aluminum Backdraft Damper: For...
Item 4C558
$125.00
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Product Details
| Catalog Page | 2811 |
| Brand | DAYTON |
| Maximum Air Velocity | 2500 fpm |
| Rough Opening Width | 18.5 in |
| Rough Opening Diameter | 18-1/2 in |
| Flange Type | Rear Flange |
| Number of Panels | 1 |
| Free Area | 2 sq ft |
| Flange Width | 1-1/2 in |
| Mounting Position | Vertical |
| Rough Opening Shape | Square |
| Blade Material | Aluminum |
| Overall H x W | 21 in x 21 in |
| Fits Fan Diameter | 18 in |
| Mounting Location | Wall |
| Frame Depth | 2-1/2 in |
| Rough Opening Length | 18-1/2 in |
| Frame Material | Aluminum |
| Mfr. Model # | 4C558 |
| Country of Origin | USA (subject to change) |
| UNSPSC | 40101504 |
Description
21 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, 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 2 sq ft, Overall Width 21 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in