BIM/REVIT > Louvers and Dampers > Dampers > Combination Louver/Backdraft Damper
Carnes is a member of the Air Conditioning and Refrigeration Institute (ARI) and
the Air Movement and Control Association (AMCA) and maintains certified catalog performance in relevant product groups for
the highest assurance of performance accuracy. Intertek Testing Services (ITS) formerly known as ETL Testing Laboratories
provides Carnes with ETL listings. Underwriters Laboratories provides Carnes with UL and CUL listings in Canada. Both
listings are standard or optional on many Carnes products.
