DL Wholesale Duct Muffler

DL Wholesale

These fully assembled high-performance Duct Mufflers are non-toxic, fire-resistant, and use commercial grade acoustical neoprene foam made specifically for sound deadening. Connect them to your fan and ducting and reduce your noise output by up to 25dba without reducing airflow.


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  • does it contain any fiberglass?

    There is no Fiberglass used in this product.