Posted by https://skitterphoto.com/photographers/1339046/hanley-mccarty on August 29, 2025 at 05:53:57:
In Reply to: mwiyvkzp posted by IvyPat on December 20, 2023 at 22:03:30:
This means they provide very little resistance to the air entering
through the window opening. https://skitterphoto.com/photographers/1339046/hanley-mccarty