A heavy-duty KDK 8-inch propeller wall fan for continuous ventilation, delivering 323 CFM — built for workshops, warehouses, and plant rooms, also suited to garages and utility rooms at home that need constant airflow.
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 (axial) fan
- Airflow: 323 CFM (550 m³/h) at 220V/50Hz
- Robust motor for continuous-duty operation
Technical Specifications
| Specification |
Details |
| Brand |
KDK |
| Model |
20ALA |
| Airflow (CFM) |
323 CFM (550 m³/h) at 220V/50Hz |
| Diameter |
20cm (8 inches) |
| Fan Type |
Propeller (Axial) |
FAQ
-
How much air does this move?
323 CFM (550 m³/h) — suitable for workshops, garages, and plant rooms needing continuous ventilation.
-
Can I install this myself?
Replacing an identical existing fan is straightforward. A new wall opening needs an electrician.
-
Is this rated for continuous 24/7 running?
Yes, it's built with a robust motor for continuous-duty operation, unlike lighter household exhaust fans.
-
How does this compare to the 25ALA and 30ALA?
The 20ALA is the smallest and lowest-airflow option in the range; 25ALA and 30ALA deliver progressively more CFM for larger spaces.