CMD5415277 Axial Fan, 80 x 80 x 15mm, 30cfm, 4.6W, 24 V dc. These axial fans are a perfect choice for cooling applications. With a fully integrated electronic commutation, this axial fan provides a durable and smooth airflow to the device it is cooling. Establishing the relevant axial fan needed, the RS Pro series of DC Brushless fans are designed to be up there with the best. All models are highly reliable and excellent quality.