This is a brand new 36”out of the original box condition Hood insert or hood liner which means you install this Range hood inside a custom made cabinet for it or you build cabinet faces over this hood exterior surface. You can also install a in-line blower motor outside of this hood in the attic war purchase internal blow motor from Viking website and install blower motor inside. In one of the pictures shown model n serial number you will see all the information for CFM rated blower motors you can install in this Range Hood.
