HOOMEE 157”(400CM) Universal Window Seal for Mobile Air Conditioner and Tumble Dryer – Window Kit Works with Portable AC, Easy to Install - Air Exchange Guards with Zip and Adhesive Fastener

Thanks for this, this will be helpful to others. I’ll place this here for others so they can see some options: two hose solution

https://a.co/d/0g3zhtuF This exact item may or may not be available in every single country but newsflash, companies like to make money. They know there's a market for these products, so they MAKE the products. Not everyone else's fault people would rather play victim than use the internet and buy a 20 dollar item to make the stupid A/C work for their situation.

I also have a casement window and have successfully used a window seal with portable AC that uses a hose. Worth considering in these temps. https://a.co/d/0hb1O9US

https://a.co/d/06DcwXBK