The DuctMuffler™ In-Line Noise Muffler™ reduces noise heard through registers from adjacent rooms or noisy neighbors.
- Available in 6", 8", 10" and 12" diameter.
- Does not restrict airflow through duct.
- Easy to install.
- Maintenance free.
- Building Code Compliant, Meets NFPA Standards 90A and 90B.
- Acoustic Liner UL®Listed, Class 1 Air Duct.
As Featured on Amazon.com