681/A681 — Steel/Aluminum 1-way Register, MS damper, 1/2in. Fin Spacing

  • All-steel construction (681)
  • Aluminum construction (A681)
  • Used for ceiling or sidewall installations
  • Ideal for shallow duct installations
  • Plastic handles
  • One-way deflection
  • 1/2" spaced fins set at 45 degrees
  • Multi-shutter valve
  • 1 5/8" depth when fully opened
  • Interlocking valve louvers for positive shut-off
  • Bright White finish