Is within a filter on a gas furnace? If so, where on earth is it? I looked and I can't find it. Shouldn't it be in...

I looked and I can't find it. Shouldn't it be in plain viewpoint? It is a gas furnace in the corridor of my mobile home.
Will someone show me how to turn up...
Answers:    gizmo is correct. mobe furnaces usually get nouns through the door slots and sometimes a pipe dirctly under the furnace panel governing outside. filter will definately be located on the door.
HELP! surrounded by home radiator fry issues?
It is in your return nouns supply. If you only enjoy one vent in the center of the trailer for return nouns chances are the filter within under the vent.
My husband is making a take and is...