A heavy-duty KDK 8-inch propeller wall fan with an auto-shutter that closes when the fan is off, delivering 347 CFM — for workshops, warehouses, and garages, keeping out dust, insects, and outside air when not running.
How is this installed?
Wall-mounted through a wall opening. If replacing an identical existing fan on the same opening and wiring, it's a straightforward swap. A new wall opening needs an electrician.
Key Features
- 8-inch (20cm) propeller fan, robust motor
- Airflow: 347 CFM (590 m³/h) at 220-230V/50Hz
- Auto shutter seals the opening when off
Technical Specifications
| Specification |
Details |
| Brand |
KDK |
| Model |
20AUA |
| Airflow (CFM) |
347 CFM (590 m³/h) at 220-230V/50Hz |
| Diameter |
20cm (8 inches) |
FAQ
-
How much air does this move?
347 CFM (590 m³/h) — strong airflow for workshops and garages, with the added benefit of an auto-sealing shutter.
-
Can I install this myself?
Replacing an identical existing fan is straightforward. A new wall opening needs an electrician.
-
What does the auto shutter do?
It closes automatically when the fan is off, keeping out dust, insects, and outside air.
-
How is this different from the 20ALA?
The 20AUA has a plain automatic shutter (no louver), while the 20ALA has a louvered automatic shutter — airflow is similar (347 vs 323 CFM).