OBDA
Opposed Blade Damper for Grilles - Aluminum
Steel opposed blade volume damper. Screwdriver slot operable at the face of the grille or diffuser.
  • Double wall blades set in a U-channel frame
  • Opposed blades on 1 1/2" centers
  • Screwdriver adjustable
  • Snaps into place easily on any USAIRE grille
  • Mill Finish