OBD Opposed Blade Damper


Click below to choose a size
6x4 8x4 10x4 12x4 14x4 16x4 18x4 20x4 22x4 24x4 30x4
6x6 8x6 10x6 12x6 14x6 16x6 18x6 20x6 22x6 24x6 30x6
  8x8 10x8 12x8 14x8 16x8 18x8 20x8 22x8 24x8 30x8
    10x10 12x10 14x10 16x10 18x10 20x10 22x10 24x10 30x10
      12x12 14x12 16x12 18x12 20x12 22x12 24x12 30x12
        14x14 16x14 18x14 20x14 22x14 24x14 30x14
          16x16 18x16 20x16 22x16 24x16 30x16
            18x18 20x18 22x18 24x18 30x18
              20x20 22x20 24x20 30x20
                22x22 24x22 30x22
                  24x24 30x24
                    30x30


Opposed Blade Damper Specs:


  • Steel construction
  • Tapered blades set in u-frame
  • Screwdriver operated
  • Special order options for duct mounting and rod operation
  • Mill finish

OBD Spec Sheet