An ultra-quiet UL-certified dual fan system designed for cooling cabinets that requires minimal noise. Features an on-board processor that provides a digital read-out of the cabinets temperatures. Programming includes thermostat control, fan speed control, and SMART energy saving mode. Two fan units with controller, containing CNC machined aluminum frames with a modern brushed black 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