125 mm inline fan.

 They have two speeds and the ratings on both are below. Standard 4 year warranty, and are rated at 30,000 hours continous running.

Volume:           max:  320 m3/hour, 89 l/s    

                            Min: 260 m3/hour, 72  l/s

Pressure:         Max:230 Pa         Min: 160 Pa

Noise at 3m:    Max: 43 dB           

Power Usage: Max: 40W             Min:18W

Voltage:   240 V

Unit Size:       350 x 182 x 168