DuraBreeze Duct Muffler, 4" Mini

  • A DuraBreeze’ǒä Duct Muffler Mini reduces the sound traveling through ducting without restricting airflow.
  • The 4-inch Mini features a durable, lightweight, rustproof aluminum housing and 1-inch-thick internal glass fiber with a noise reduction coefficient of 85 percent.
  • Measures 11 inches long with a 8.5-inch diameter and a 4-inch flange.
  • Includes a one-year warranty.

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