Phresh Duct Silencer 8″ x 24″ - $100 (petaluma)

I have one new still in the box.
Phresh Duct Silencer 8″ x 24″.
This is a great way to quiet the air noise.
You can place a muffler on one end, or both ends for maximum effect.
Sound reducing acoustic foam decreases fan noise by up to 50%.
Attach to inline fans used with Phresh Carbon Filters, cooling light systems and more.
Durable and light weight aluminum body.
Compact size is easy to install.
Attach a Phresh Silencer to the intake or exhaust side of an inline fan.