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Thats awesome, so how thick are the 6 layers? Like comparable to the thickness of a quarter? a few mm?
Also on those Air conditioners. I too may use a small one. When the hot air comes off the back..that is not hot air from the intaken from the front is it? In other words, if you hang that air conditioner with the back outside of the box, you have a completely closed system...correct. No smell would be getting out?
TY
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