Permits crossing on one plane.
The pressure drop does not increase remarkably.
Round duct connections with EPDM seal
Product label: NTL d - L
Product Group Manager, NORDduct, NORDdiffuser, NORDexternal, NORDdoor, NORDgrille and NORDsilencer
Head of Product Management, NORDduct, NORDsilencer, NORDexternal, NORDdoor, NORDdiffuser, NORDdamper & NORDgrille