2)38 Degree Angle blades
3)One way, two way, three way and four way discharge is available.
4)Damper or fliter is optional.
5)Inconspicuous fingertip lever for air volume control
6)Core is removeable,easy for installation and cleanliness.
7)Natural anodized aluminum finish or powder coated
Functions: Versatile supply air diffuser for constant or variable air volume heating, cooling, or ventilating;
Swiftly balancing the temperature of airflow and slowing the velocity of airflow avoid dust wind.