0+ (Unillustrated Parts)  
1+ Plenum cover  
2+ Finisher cap  
3+ Screw  
4+ Lokut nut  
5+ Drain tube  
6+ Water deflector  
7+ Duct  
8+ Closing plate  
9+ .Clip  
10+ .Pop rivet  
11+ Dust shield  
12+ Rivet screw  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.