High static pressure cooling with LED illumination Tuned for high pressure air delivery directly to components Better performance than standard case fans LED-lit translucent, frosted fan blades for a dramatic effect Specially designed fan blades and a sleeved bearing system for less vibration, noise and turbulence High Static Pressure Cooling With LED Illumination. Corsair Air Series LED high static pressure PC case fans combine efficient high pressure airflow with striking LED lighting. They’re custom designed to deliver air directly to high-temperature components with less noise and turbulence than ordinary fans. The custom-molded blades are translucent and have a frosted texture, so the light from the four LEDs adds a dramatic effect model : CO-9050025 tag : Case Fans