https://www.acousticalsurfaces.com/sound-silencer/ceiling-wall-panel
Sound Silencer | Wall and ceiling sound panels | Acoustical Surfaces
Sep 24, 2025 - Sound silencer wall and ceiling sound panels can be applied directly on wall and ceiling surfaces for attractive and effective sound control. Find out more
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https://www.wsduct.com/muffler.html
HVAC Noise Silencer Sound Attenuator For Air Duct Fans-Wuxi Weishan
Weishan's Duct Silencers are engineered to manage noise in commercial HVAC and industrial ventilation systems,which can limit airborne noise in ducts and...
for airduct fans
https://airmasteremirates.com/product/sound-attenuators/
Airmaster | Sound Attenuators Manufacturers | VAV & Silencer | HVAC
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https://airmasteremirates.com/product/sound-attenuators-crosstalk/
Airmaster Emirates | Sound Attenuators - Crosstalk | VAV & Silencer
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