H do i make a frame for an air conditioner exhaust hose for RV window?

Cbarragan49
by Cbarragan49

I have a portable air conditioning unit and i need to make a frame for the exhaust hose. I'm using it in an RV. I'm thinking Styrofoam might be easier to use than cardboard (which is what i tried and failed miserably!). Any suggestions?! I'm frustrated and it's getting hot already!


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