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Duct Muffler
- Duct Mufflers make
indoor gardening fans
significantly quieter,
reducing noise by up to 25
dBA.
- A reduction by 3dBA cuts
a listener’s perception of sound by half!
- Duct mufflers are a cinch to install, connect to existing ductwork, don’t restrict airflow and require no maintenance.
- Support brackets not included
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