Identify these air cleaners?

[BLIMP]

Not sure what years these are for, anyone have a clue?
I'm hoping the one on the right is what a 73 Imperial would have been fitted with

 

[Jeff]

This is a great resource: Nick's Garage - Air Cleaner Identification

 

[Davea Lux]

Not sure what years these are for, anyone have a clue?
I'm hoping the one on the right is what a 73 Imperial would have been fitted withView attachment 174067

Left one Looks like 2BBL air cleaner from a 318 to me. '71 318 challenger had a similar waste hose setup. Right one looks like a 318 also, pre '71

Dave