These fans shall be installed to exhaust air through a wall. They are equipped with outside shutters which will open when the fan is on and vice versa. There is a wide range of products, either blade size or functions, that can fit various requirements.

• High Air Volume
• Low noise level (6% down VS previous model)

Leading Edge forms
no obstacle to airflow that streamlines airflow from every direction

Air Foil Chip
Reduces turbulence at rear edge, and curature of front edge is improved for smooth airflow that minimizes fan noise as well.

*Note: applicable for some models

Compared with previous models, new models adopt HP (Half-Pitch) motor and long life bearing that prolong the product durability, from average 30,000 hours life time to 60,000 hours. They also enable energy saving by reducing power consumption down to average 13%.*