| Item Reference | 3C311 |
|---|---|
| Brand | DAYTON |
| Weight (lb) | 22 |
| Length (in) | 45.7 |
| Width (in) | 3.3 |
| Height (in) | 46 |
| Harmonization Code | 8414901080 |
| Country of Origin | United States |
45 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 2 Maximum Air Velocity 2500 fpm Overall Height 45 in Rough Opening Diameter 42 1/2 in Rough Opening Shape Square Fits Fan Diameter 42 in For Duct Shape Not Applicable Free Area 10.3 sq ft Overall Width 45 in Frame Material Thickness 0.8 in Overall Length 5 3/4 in Connection Type Not Applicable Frame Depth 3 in
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