The Thermaltake Pure 20 fan comes with reliable, stable performance and gorgeous vibrant style. Available in 200mm, the Pure 20 fan offers the perfect balance of silence, style and efficiency.High Performance200x30mm thick for high air pressure and airflow . Pure 20 fan is designed to great silently, so user can keep his mind focused on the task at hand without bothering.Enhanced AirflowFan blade designed to focus airflow and reduce noise, creating a torrent of air without creating excess noise.Long life sleeve bearingong-life bearing offers better reliability and extends life span.Easy to installShaved frame allow more installation, specially the chassis from Thermaltake.LED version availablePure 20 series are available in LED version, adding cooling aesthetics to your chassis.