AD — Aluminum Opposed Blade Damper

  • AD/AR7
    • Maxiumum size: 48x48
    • One piece construction 24x18
  • SR7
    • Now available in 6x4 -- 24x24
  • Extruded aluminum construction
  • Opposed-blade damper
  • Controls the air volume from full flow to shut-off
  • Available sizes (inches)
    • Minimum: 6" x 4", 1 3/4" x 4"
    • Maximum: 24" x 24" One-Piece