Duo-Corp 2020TMUT Double-Slider Utility Window 2 x 2 Solid Vinyl:The 2 x 2 Duo-Corp 2020TMUT Double-Slider Utility Window is a handy item to install in any home or business. It will allow you to open it to let in air or to use it as a drive-through so you can exchange money and goods. The solid vinyl frame is 2-1/4 thick for a bit of added strength and durability. It comes with one full screen so that you can enjoy fresh air while also keeping out insects and other pests that might enter through the opening. The frame comes in a neutral color that will fit in with any color scheme.