Truma Cold Air Sound Muffler

Truma frostair muffler sound muffler for installing in the cold air system of air conditioning equipment for additional noise reduction in the living area.
Features
-Using one reduces air flow noise within the interior by 50%
-Using two reduces it by an amazing 90%
-Easy to install in the cold air duct system
-1 year warranty.
Specifications
-Model: 40090-00038, replaces 40040-60100
-Brand: truma
-Barcode: 4052816012599
-Suits: sapphire compact, sapphire comfort, sapphire vario, predecessor model frostair
-Diameter: 90 mm
-Length: 545 mm