A little bit of thought regarding the screens:
The exhaust is not under pressure. It is basically free flow.
The screens are sold everywhere you would find rv doodads.
The black print on a full text page of paper takes up 5% of the total surface.
There are people who open their rv doors and windows when activating their slide so as to not create a vacuum or pressure which could cause the motors to overwork.
Just some 'things that make you go hmmmm'.
|