Electronic fan / axial / cooling / thermally-controlled
SANYO DENKI EUROPE
Min.: 0.26 m³/min (9.18 ft³/min)
Max.: 2.9 m³/min (102.41 ft³/min)
This is an advanced fan with a guaranteed air flow between 0.255 and 2.9m3/min. In terms of size, the design is a really compact one, specifically of 52mm to 120mm.
You can also select an internal or external thermistor, as well as a lock and pulse sensor, depending on your project. Note that the fan's speed is dependent on the temperature.