QAR 41,547
QAR 2,544
QAR 2,778
QAR 1,853
QAR 751
QAR 3,393
QAR 5,564
QAR 5,962
QAR 4,382
QAR 41,547
QAR 2,544
QAR 2,778
QAR 1,853
QAR 751
QAR 3,393
QAR 5,564
QAR 5,962
QAR 4,382
21 In.H-W 4.5 In.L Aluminum Backdraft Damper Damper Application Backdraft For Nominal Duct Diameter Not Applicable Frame Material Galvanized Steel Number of Panels 1 Maximum Air Velocity 2000 fpm Overall Height 21 in Rough Opening Diameter 19 1/2 in Rough Opening Shape Square Fits Fan Diameter 18 in For Duct Shape Square Free Area 1.9 sq ft Overall Width 21 in Frame Material Thickness 20 ga Overall Length 4 1/2 in Frame Depth 2 in Rough Opening Length 18 1/2 inMRO4HX66
| # | Attribute | Value |
|---|---|---|
| 1. | brand | DAYTON |

