Derby Features Overview:
| Installation | Ceiling ONLY |
|---|---|
| Hole Size | 230mm |
| Required Install Depth | Requires 300mm of cavity space |
| Extraction Rate | 144 m3/hr |
| Noise | 42 dB(A) |
| Motor Wattage | 34w |
| Ductable | Yes – 100mm 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.










Roger (verified owner) –
Replacement for an older model. Better design. Easy to fit myself using 3 pin plug fitting.
Took longer to arrive than expected. Pleasant delivery driver.
Mark (verified owner) –
Plug and play fitment without need for electrician
William (verified owner) –
I bought them as spares and not yet fit them on.
Susan –
Does the job easily and efficiently
Chris –
could be more powerful to make it better
Michael –
Replaced existing fans, same for same. The product was good and worked well.
Steve –
Was exactly what I needed, installed and working in 5 mins after getting it.
Jeremy –