Dayton Backdraft Damper, Vert/Horiz Mtg, 19 3/4Sq - 3HHL6

Item Name:
Dayton Backdraft Damper, Vert/Horiz Mtg, 19 3/4Sq - 3HHL6

Description:
This model is a non-flanged exhaust backdraft damper. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow blades to open quickly. Ideal for use in roof curbs, duct work, or wall collars when using a fan or power roof ventilator.

Item: Backdraft Exhaust Damper
Type: No Flange, Horizontal or Vertical Mount
Damper Size (In.): 19-3/4 x 19-3/4
Overall Size (In.): 19-3/4 x 19-3/4
Max. Velocity (FPM): 2000
Construction Material: G-90 Galvanized Steel Frame and Aluminum Blades
Includes: Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation


Quantity: 1

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