• Characteristic: which has a damper on back side
• Neck size: can be adjusted as customer's requirements
• Face size:
• A= neck size B + 123mm (neck size from 240mm to 360mm)
• A= neck size B + 123mm (neck size from 420mm )
• Materials: aluminum with powder-coated or anodized
• Colors: white, RAL 9010; can also follow customer's requirements
• Features:
-With excellent function and appearance
-The frame and inner core and easy to dismantle for installation and debug
-Can be used with static pressure box
-Dampers can be installed so as to adjust airflow
