100 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:  250 m3/hour, 69 l/s    

                            Min: 190 m3/hour, 53  l/s

Pressure:         Max: 200 Pa         Min: 120 Pa

Noise at 3m:    Max: 40 dB           

Power Usage: Max: 40W             Min: 18W

Voltage:      240 V

Unit Size:       315 x 182 x 168