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DAYTON 3HHL7 Backdraft Damper,Vert/Horiz Mtg,27 3/4Sq
- No Flange, Horizontal or Vertical Mount
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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.
This item has been restricted from sale in the following state (s): []
This item has been restricted from sale in the following state (s): []
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 90 days
- This item is covered by Zoro Return Policy
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