664 — Steel Baseboard Register, Multi-Shutter Damper

  • All-steel construction
  • 1/3"-spaced fins set at 45 degrees
  • 7/8" margin turnback
  • 1-5/8" depth when fully opened
  • Exceptional free area
  • Ideal for shallow duct installations
  • Multi-shutter valve
  • Bright White enamel finish

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