Ok, what i'm looking for to try to be as specfic as i can, is an air vent that i can up against an open window with a piece of board from the inside of the intertior going to the window, so that air can be exaushted but no air from the out can come in or effect temperature
An open window that will only let air out and not in? Only if there's a fan directing air out. If you weren't asking that I'm sorry lol