Product Description
| 1. Central hub and v-belt pulley are made from die-cast aluminium,with reinforced ribs for prolonged lifetime |
| 2. Reduced stress on motor bearing |
| 3. Class A motor featuring excellent efficiency and low energy consumption |
| 4. Each motor is individually tested for 100% quality control |
| 5. Fan housing and venturi made of strong galvanised sheet-steel |
| 6. Welded wire guards designed for easy maintenance fitted with noise reduction supports |
| 7. Propeller is statically and dynamically balanced |
| 8. Shutters are made of pressed galavanised steel in order to ensure highest strength |
| 9. Shutter bearings are maintenance free |
| 10. Dust-safe opening and closing |
| 11. Powerfull springs keep shutters firmly closed when fan is not operating |
| 12. Every fan is individually checked for qualit |
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