DuraBreeze Duct Muffler, 4"

  • A DuraBreeze Duct Muffler reduces the sound traveling through ducting without restricting airflow.
  • The 4-inch muffler features a durable, lightweight, rustproof aluminum housing and 1-inch-thick internal glass fiber with a noise reduction coefficient of 85 percent.
  • Measures 22 inches long with a 6-inch diameter and a 4-inch flange.
  • Includes a one-year warranty.

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