The Air-in® noise reduction cartridges have been designed to reduce noise in the exhaust and supply air ducts. Proven by tests, the noise reduction capacity of our cartridge is one of the best in the market (VTT).
The Air-In® noise reduction cartridge is the only noise reduction cartridge on the market that has been tested according to the noise requirements between flats by VTT Technical Research Centre of Finland.
|Product||Diameter/length||Noise reduction (tested by VTT)|
|Air-In® 100 ÄVP||Ø102mm/100mm||63 dB|
|Air-In® 125 ÄVP||Ø127mm/100mm||63 dB|
|Air-In® 160 ÄVP||Ø162mm/150mm||57 dB|