657 — Steel Baseboard Return

  • One-piece steel construction
  • 1/3" spaced fins set at 20 degrees
  • 7/8" margin turnback
  • Exceptional free area
  • Install with fins upward or downward for best duct concealment
  • Complementary return air grille for #654 supply or #664 supply
  • Golden Sand or Bright White enamel finish