Product details:

When space is tight, Fantech's RE Series is the solution. With a lightweight, low profile design, and duct diameters from 6inchto 10, For roof mounting, these fans are available as either a flat plate or with a roof curb design. RE Series fans can also be mounted on an exterior wall when roof access is not suitable. An added benefit is whisper-quiet interior noise levels. RE could stand for Real Easy installation - RE Fans are simple to install; no installation extras are required. Simply mount the fan on the roof or wall, then connect the electrical supply to the easily accessible terminal box. The top cover is removable for access to the motor and wiring connections.Galvanized steel housing features baked powder-coat finish (can be painted to match decor)
Unique external rotor motor has built-in thermal overload protection with automatic reset
100 percent speed controllable for highly efficient and economical airflow