NTF rectangular silencer with round duct connections and without perforated sheet inside. Suitable for general ventilation system silencer, especially in situations where the silencer dimensions should be smaller and the absorption values should be good.
|Diameter Ød||100-630 mm|
|Lenght L||300, 600, 1000 mm|
|Absorption material||NTF – mineral wool
NTP – synthetic sound absorption material