The DuctMuffler™ In-Line Noise
Muffler™ reduces noise heard through registers from adjacent rooms or
noisy neighbors.
• Available in 5", 6", 8", 10" and
12" diameters
• Does not restrict airflow through duct
• Easy to install
• Maintenance free
• Building Code Compliant, Meets NFPA Standards 90A and 90B
• UL Listed, Class I Air Duct
