Frost King 15 x 37 Wood Frame Adjustable Window Screen. It provides a simple way to enjoy getting a bit of fresh air in almost any room. Many vintage homes or apartments lack built-in screens to keep out bugs wayward leaves and other large particulates. This wood frame window screen provides a quick solution that adjusts to fit your casement. It s very easy to install non-permanent and requires no tools or hardware to set up. Remove it with ease when you re ready to close the window. The sleek transitional design coordinates with virtually all interiors. This casement window screen measures 15 tall and can expand to fit a window opening from 21 to 37 to ensure a precise fit. It s made of durable off white wood with standard mesh screening to provide unrestricted airflow.