The ActiveSilencer™ duct is an add-on unit, designed to be installed at the end of a pipe emitting or sucking air and generating noise. It is ideally used for air-purifying, air–conditioning, furnace systems etc.
The ActiveSilencer™ Duct is an easy to install low cost unit, ovides dramatically noise reduction of about 10dB(A).

This product targets the residential market, to improving quality of living.