"Air ducts" refer to a system of tubes or channels that help move air throughout a building, like a house or office, for heating, cooling, and ventilation purposes. Full definition
These include a trio of air ducts in the center of the instrument panel to provide improved cooling and heating, and better placement of switches and controls. (articles.orlandosentinel.com)
It features a bolder grille, bumper with larger air ducts, LED headlamps and redesigned alloy wheels. (team-bhp.com)
This new aggressive front end pairs seamlessly with new, lower air ducts for better aerodynamics and power. (continentalmaserati.com)