Portable Air Conditioner Window Vent Kit, Adjustable Window Seal Slide Kit Plate for Portable Air Conditioner Kit Sliding Window AC Vent Kit Fit for Exhaust Hose with 5.1"/13cm Diameterr.

Yes, like this. You do remove the screen, you just put this in its place. https://a.co/d/03roKA7x

Good point! The hot air would just come right back in. OP they make kits for this: https://a.co/d/03roKA7x