Air intake with a mesh is used at the end of the air supply and exhaust duct.

Product label: NPM D
Product Group Manager
NORDexternal, NORDduct, NORDsilencer, NORDdoor, NORDdiffuser & NORDgrille
Head of Product Management, NORDduct, NORDsilencer, NORDexternal, NORDdoor, NORDdiffuser, NORDdamper & NORDgrille