What the heck is this?

[xj_dummy]

I'm getting some things powder coated on the front end and then I found this thing.

 

What is it? It was bolted to my bumper.

 

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[JeepcoMJ]

vacuum canister. you need it to supply vacuum to your heater core.

 

I relocate mine into the engine bay somewhere.

[xj_dummy]

Thanks for the quick reply.