Vacuum line help

This will tell ya. About half way down the article it says that one of the lines T's into the vac advance hose.

http://www.allpar.com/fix/fuel/evaporation-control.html

Cool, thanks, so I may as well leave it installed and hook it up with the new engine. But like I said the nipple that goes to the fuel line cracked but didn't fall off, the canister is fine though. Can I just glue it as suggested? No pieces fell off.

And I've read that it's good to use a fuel filter in the vacuum line that goes to the carb just in case it sucks some charcoal out or something.