Integrated blower - all fan components are located within the hood
Recirculating blower - all fan components and a filter system are located within the hood
Remote Blower - the fan is located outside of the hood in a remote location such as in an attic
ABOUT RANGE HOOD DEPTH
Wall Mount - 295, 395, and 610 CFM Insert Fans will receive an 18' Liner and 22-23' Range Hood Depth, depending on the model. 1260 CFM Insert Fans will receive a 22' Liner and a 24'
These depth ranges are estimates. All custom range hoods receive a cad drawing for approval that shows the exact range hood depth.