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Duct Muffler
A duct muffler can make indoor gardening fans significantly quieter by reducing noise heard from room to room.
The Duct Muffler reduces noise by up to 25 dBA! (3dBA cuts sound by half.)
These duct mufflers are easy to install, connect to existing ductwork and don't restrict airflow. No maintenance required.
Match diameter to fan size. Support brackets not included.
Duct Muffler - 6 inch
$61.50
Duct Muffler - 8 inch
$69.95
Call or email us for quantity discounts!
FREE SHIPPING on orders totaling $250 or more when delivered within lower continental USA!!!
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Growco Indoor Garden Supply 1042 Michigan NE · Grand Rapids, Michigan USA 49503-1908 phone: (616) 454-6900 · toll free: 877-939-6900 email
