Viagrow® Air Silencers are deal for loud fan and filters in the grow room. This is the best way to reduce fan outlet or inlet noise by several decibels, a reduction in noise by up to 50 percent. Unit has built-in aluminum flange and base for incoming and outgoing air, housing acoustic style foam inside a durable, strong and light weight body.
• 4" Aluminum flange is sturdy and light weight housing material is easy to install
• Materials are humidity and water resistant
• Rust and corrosion resistant
• 4" flange connects in-line and can be used in conjunction with fans and carbon filters or light systems
• Use an Air Silencer on each side of the fan for maximum noise reduction
• Available in multiple sizes for various applications