IRS




Soundproofing

The IRS inside duct silencer is made of stable plastic foam with a high density and open cell structure which gives it strong noise-absorbing properties.


Adjustable

The IRS inside duct silencer makes it easy to adjust the pressure and air mass flow by varying the number of open holes in the damper. 


Easy to Install

The IRS is easy and quick to install with pre-punched openings.