An ultra-quiet UL-certified dual fan system designed for cooling cabinets that requires minimal noise. Automated programming that self-adjusts cooling power in response to changing temperatures. Features a LCD display with an alarm system, display lock, six fan speeds, two buffer options, and memory. Two fan units with controller, containing CNC machined aluminum frames with a modern matte-white finish. Each Unit's Dimensions: 6.3 x 6.3 x 1.3 in Total Airflow: 104 CFM Total Noise: 19 dBA Bearings: Dual Ball