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| Item Reference | 3HHL7 |
|---|---|
| Brand | DAYTON |
| Weight (lb) | 7.4 |
| Length (in) | 29.6 |
| Width (in) | 2.5 |
| Height (in) | 30.5 |
| Harmonization Code | 7308909590 |
| Country of Origin | United States |
27.8 In.H-W 4.5 In.L Alu Spring Bkdrft Dampr Damper Application Backdraft For Nominal Duct Diameter 28 in Frame Material Galvanized Steel Number of Panels 1 Maximum Air Velocity 2000 fpm Overall Height 27 3/4 in Rough Opening Diameter 28 in Rough Opening Shape Square Fits Fan Diameter 28 in For Duct Shape Square Free Area 4.9 sq ft Overall Width 27 3/4 in Frame Material Thickness 20 ga Overall Length 4 1/2 in Frame Depth 2 in Rough Opening Length 28 in Maximum Pressure 1 in wc
Mfr 3HHL7
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