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Profiles: 4 inch frame with 6 inch blades

SP
Standard Profile

Standard Profile control dampers and Heavy-Duty backdraft dampers.

SP - Standard Profile:

  • Standard Profile Control dampers and Face & Bypass dampers are manufactured with 4" (101.6 mm) deep frames and blades that are a maximum 6" (152.4 mm) deep.
  • Heavy-Duty Backdraft dampers are manufactured with 4" (101.6 mm) deep frames.