The Antec 120mm PWM reverse fans are high-quality case fans designed for optimal airflow and cooling within computer cases. With a diameter of 120mm, these fans are specifically built to efficiently dissipate heat and maintain a stable environment for computer components. The Antec brand is known for its reliability and durability, making these fans a trustworthy choice for improving system performance and longevity. Ideal for those looking to enhance the cooling system in their computer setup, these Antec fans offer a great solution for achieving better thermal management. would rather sell as a pair because of lack of original box but I can find a way to send a single fan if so desired.