Carbon Garden Silencers are a lightweight, low cost and effective solution for grow room noise reduction.
 
Carbon Garden Silencer
Carbon Garden Silencers have been specially engineered as an acoustic soundproofing device specifically for the hydroponic industry, to help reduce the loudness of sound pressure created.  
 
Key Features
 
Sound reducing acoustic foam reduces fan noise by up to 50%.
Use with fans in conjunction with carbon filters, acoustic ducting or phonic trap.
Durable and lightweight aluminium body.
Compact design and easy to install.
Attach silencer to the intake or exhaust side of an inline fan.
Attach ducting on both sides for maximum noise reduction.