Wallas-code: 3416
Even though our heater´s burners are silent, the air flow makes always noise. We recommend the use of silencers, because they reduce the sound level 50-75%.
Especially if you have less than 2 m duct intake or if the outtake runs from the heater into your cabin where you sleep.
Dimensions: 1m long, inner d = 75 mm, outer d in thickest part = 120 mm