VIVOSUN 6 Inch Inline Duct Fan Noise Reducer Stainless Steel Silencer Duct Muffler for Hydroponic Grow Tent Ventilation System, Silver

VIVOSUN Lawn & Patio Hearing protection & noise

1 HN user recommended this in 2022, in one comment.

20072026

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What HN users said

adolph 2022-09-26 linked amazon.com View on HN

I wonder if the methods could be used for acoustic suppression of other things, like fans.

For example the foam used in the below one wouldn't be useful for a kitchen hood fan.

View on amazon.com

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What Amazon says

Premium Material: This noise reducer features commercial grade neoprene foam; The body is made of high-quality galvanized sheet that is rust and water resistant and able to withstand extreme temperatures changes
Unique Design: This noise reducer features premium foam with an egg crate pattern; Normally, the noise can be reduced by up to 50% by slowing the sound wave movement
Smooth Airflow: Apart from the noise-reducing egg crate pattern foam, there is no obstruction in the silence’s chamber, making sure that the airflow would come through fluently
Easy to Install: Both ends of the noise silencer are equipped with flanges and they have extended collars and lips, so that it is easy to connect with ducting or fans; You can install it on the intake or exhaust side of an inline fan
Wide Applications: This noise reducer can be used in many applications, for example, connected to noise-making machinery; It is often paired with ventilation systems in grow tents and hydroponic grow rooms

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