Window AC Hose Adapter – Cap & Lock Ring

This 3D-printed window adapter is designed for portable air conditioners. It includes three parts: a threaded flange to insert through the window glass, a lock ring to secure it in place, and a cap to close the opening when not in use.Ideal for keeping your space sealed and tidy, this adapter improves airflow control and helps maintain energy efficiency. All parts are easy to print and require no support. Fits standard portable AC exhaust hoses.Simple, functional, and perfect for summer DIY solutions!