Derby Features Overview:
| Installation | Ceiling ONLY |
|---|---|
| Hole Size | 282mm |
| Required Install Depth | Requires 300mm of cavity space |
| Extraction Rate | 234 m3/hr |
| Noise | 49 dB(A) |
| Motor Wattage | 38w |
| Ductable | Yes – 150mm diameter |
The Polyaire Derby Exhaust Fan is a popular choice for a bathroom, toilet or laundry. The fan comes with a built in draft stopper.
- Minimal pressure drop over long duct distances (see pressure curve).
- Centrifugal motor.
- Plug in 1.3m 240 volt power cord for easy installation.
- Face plate can be removed easily.
- Low profile flush fit to ceiling.
- 5 Year Warranty.


















Stephen (verified owner) –
Exact replacement for existing unit