The Evercool Titan Kukri fan is
Evercool's PWM answer to the Scythe Gentle Typhoon. Featuring 9 massive
kukri-shaped fan blades, these large fan blades generate outstanding high air
pressure and airflow. The large Titan Z-bearing provides a long lifetime of
operation, while the included easy install sound-dampening fan mounts help
isolate even the smallest amount of noise generated by the spinning of the fan.
The PWM control assures that you'll get the optimum ratio between performance
and silence, the range of this fan is 24~66CFM and 15~35dBA.