Air Duct Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Material (Galvanized Steel, Aluminum, Fiberglass, Polymers); Application (Corporate Office, Airport, Retail Store and Shopping Complex, Hospitality, Multiplex, Auditorium, Hospital, Manufacturing) , and Geography (North America, Europe, Asia Pacific, and South and Central America)