Air duct cleaning machine with rotary brush and 22 m hose, extendable to 45 m extra long. Specially designed for cleaning ventilation and air conditioning ducts, suitable for ducts from 80 mm to 500 mm. The brush speed is steplessly adjustable between 0 and 1,000 rpm, giving it strong capability to remove dust and scale accumulated inside ducts.
| Duct range | 80 – 500 mm |
| Hose | 22 metres (45 metre extra long option) |
| Voltage | 220-240 VAC |
| Power | 200 W |
| Brush speed | 0 – 1,000 rpm, adjustable |
| Dimensions | 915 × 545 × 885 mm |
| Weight | 43 Kg |
| Manufacturing | Own design and production (Otter Store) |
| Support | Own technical service |
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