Suncourt 10" Round In-Line Noise Reducing Duct Muffler

The Duct Muffler 10" In-Line Noise Muffler reduces noise from fans and carbon filter systems. Excellent noise reduction for HVAC systems, fans and hydroponics applications. Reduce any noise traveling through duct work. A Duct Muffler In-Line Noise Muffler reduces noise heard through registers from adjacent rooms or noisy neighbors. Does Not Restrict Airflow through duct. Maintenance free and easy to install.