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| Item Reference | 3HHN7 |
|---|---|
| Brand | DAYTON |
| Weight (lb) | 5.45 |
| Length (in) | 22 |
| Width (in) | 21.4 |
| Height (in) | 2.7 |
| Harmonization Code | 7610900080 |
| Country of Origin | United States |
21 In.H-W 5 1/4 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 1/4 in Connection Type Not Applicable Frame Depth 3 in
Mfr 3HHN7
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