If I am not mistaken, (been awhile since I've used that setup)
one hose goes from the lid to the valve on the end of the snorkel
(flap that lets in air on the end of air cleaner housing) and the other hose goes to a vacuum source, Carburetor).
I believe that "cartridge that looks like and oil filter" would be your breather element. If it's oil soaked, replace it. It is where post combustion gases escape from the motor throught the PCV valve back to the air intake to be 'reburned' for lower emissions.
"Stuck with a m*par, Settle for a ch*vy, Happy with a Ford!!!!"
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