New 4 Inch Inline Muffler Noise Reducer Silencer for Duct Fan Blower Carbon Filter

What's in the box:

• 1 x  4" Inch Inline Muffler Noise Reducer Silencer

Feature:

This is a brand new top-quality 4" Inline Duct Muffler for 4" high velocity fans/blowers. With durable galvanized sheet construction and sound absorbing foam lining, duct muffler can reduce noise effectively. Features a specially designed open cell foam in a convoluted pattern for superior sound absorption. It can stop the spread of sound waves and allow air flow get through the ducting, perfect for reducing noise from fans and carbon filter systems. More effective and durable than other hand-made rough silencers. Safe and environmental friendly. 

• Two 4" flanged ends.

• Portable and light weight.

• Safe and effective operation.

• Easy to install and maintenance free.

• High-quality corrosion resistant galvanized sheet construction.

• Wave crest polyurethane sponge can offer excellent sound and vibration absorption.

• This high-performance sound absorbing foam lining can reduce noise by over 50%!

• If the noise of your fan/blower is 50db, our muffler can reduce it to 25db.

• Moisture resistant - great for use in damp environments.

• Extended collar and lip for easy duct hook-up.