This listing is for a diverter duct for all 1967-72 Chevy/GMC Truck with factory heater AND factory air-conditioning. 

Shown as #1 & #2in the assembled non-a/c heater duct system, this is the ducts that mounts under the dash.  It's function is to divert air either to the floor or flex hoses that lead to the defrost ducts.  ONLY THE #'s 1 & 2 ARE INCLUDED.

It has bead-blasted and painted black.  Comes exactly as shown in the photos.