| 1. | The long life motor designed to withstand continues operation is adopted in all models |
| 2. | Adoption of round to square adapter equipped with nail further facilitating duct connection work. |
| 3. | Completely sealed and permanently lubricated ball bearings. |
| 4. | Pre-painted colour steel casing enhances rust resistance. |
| 5. | Installation and removal of the louver can be performed by finger touch, thereby permitting maintenance be performed easily |
| 6. | 1 Metre wire pre-connected from motor for supply line |