The Thermaltake Pure 20 200 x 200 x 30mm Chilling Effect Fan is a high-quality case fan designed for cooling computer systems. With a fan diameter of 30mm and a sleek black color, this fan is powered by 12V and features a sleeve bearing type for optimal airflow. The fan is made of durable plastic and boasts a maximum airflow volume of 130 CFM, making it an essential component for maintaining system temperature levels. Ideal for those looking to enhance the cooling efficiency of their computer setup, the Thermaltake Pure 20 fan offers reliable performance and effectiveness.