ÄV-sound silencer tube 

Noise reduction solution for the fresh air duct. Easily adjustable to fit the required length. Made from compression material (polyester foam) coated with a black polyurethane on the exterior. The material is dust-free and moisture-resistant. Can be used alone or in conjunction with RE-sound silencer disc.

Available in different sizes

ø 125 mm :  ÄV-123, outer diameter 123 mm, length 300 mm

ø 125 mm :  ÄV-123/18, outer diameter 123 mm, length 180 mm

ø 160 mm : ÄV-158 outer diameter 158 mm, length 300 mm