Ah, I see what you mean. Surely there is a portable screen that fits in the opening in the window! Some people don't even have screens all the time but you know at times they must want one or two to pop in an open window. I'll bet you can find them online or go to your bigbox hardware stores and see what their manager suggests.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |