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403M — Three Way, Adjustable Curved Blade

How to Specify

Provide the following information:

  • Model Number
  • Width
  • Height
  • Finish

403M — Three Way, Adjustable Curved Blade

  • Three-way, individually-adjustable   curved blade
  • 3/4" fin spacing
  • Steel face with aluminum curved blades
  • Galvanized steel multi-shutter damper
  • Bright White enamel finish