This 6″ Solid In-line Silencer reduces noise from fans and carbon filter systems. Excellent noise reduction for HVAC systems, fans and hydroponics applications. Does Not Restrict Airflow through duct. Maintenance free and easy to install.
- Fits 6 in. flex or metal ducts
- Meets NFPA standards 90A And 90B
- Acoustic Liner UL Listed, Class 1 Air Duct
- Building Code Compliant