Smooth frontal panel as the air entrance is placed at the upper side, out of sight,avoiding interior vision 
With centrifugal fan and powerful motor Big size of casing enhance more air inside Strong air speed up to 21 m/s
Stopping dust, dirt, fumes, and flying insects from coming inside Reducing the workload on your HVAC system (so you spend less on maintenance and equipment replacement) Increasing comfort for workers and guests Easy to clean and maintain
Proper ventilation keeps the air fresh and healthy indoors. Like the lungs, homes need to be able to breathe to make sure that fresh air comes in and dirty air goes out. Air indoors can build up high levels of moisture, odors, gases, dust, and other air pollutants.To provide good air quality, enough air needs to be brought in and circulated so that it reaches all areas of the home. For almost all homes, windows and structural elements contribute to bringing in fresh air.