A501 — Aluminum 1-way Ceiling Diffuser, MS or OBD damper

  • Extruded aluminum construction
  • Cores flush with margin
  • One-way air diffusion
  • Face mount for easy installation
  • For sidewall or ceiling application
  • Multi-shutter or opposed-blade dampers - aluminum
  • Inconspicuous fingertip lever for air volume control
  • Bright White finish.