The French Pane Glass Panel is the perfect DIY pet door product for French Doors. This dual pane glass insert is easy to install and is a cost effective non-permanent application. The French Pane Glass Panel inserts come with the pet door pre-installed, and offer a wide variety of different pet door sizes and colors. Security Boss Manufacturing LLC® offers these dual pane glass inserts in two different sizes. Glass panels are not applicable with all French Glass Panel doors.