Suncourt Duct Muffler

Suncourt Duct Muffler


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Suncourt Brand Product
$78.95 - $140.95

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The DuctMuffler In-Line Noise Muffler reduces noise from fans and carbon filter systems.

The Suncourt DuctMuffler also sometimes known as a Duct Silencer is a passive device that is installed in ductwork to help attenuate (that means reduce) the level of noise that is transmitted through the duct.

The Suncourt DuctMuffler is a completely passive device that will not impede airflow when it is attached to the ductwork. It is made of metal and is lined with an acoustic insulation that reduces sound. The insulation is covered with a wire mesh to keep the insulation in place.


  • Easy To Install
  • Maintenance Free
  • Building Code Compliant
  • Acoustic Liner ULListed, Class 1 Air Duct
  • Does Not Restrict Airflow Through Duct
  • Meets NFPA Standards 90A And 90B


The DuctMuffler may be installed in new or existing ductwork between the source of noise and the register emitting noise. The best location is as close as possible to the source of noise, but not closer than 3 feet. The unit may be positioned so that either end faces toward the furnace. It is recommended that the unit be installed using sheet metal screws and standard metal duct support brackets (not supplied). The DuctMuffler may cause damage or injury should it fall. Finish the installation by sealing the joints with good quality aluminum foil duct tape.

Tech Specs

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