The 5.1 inch Portable Sliding Door Air Conditioner Kit is a convenient solution for keeping your space cool and comfortable. This adjustable sliding door kit allows you to easily install a through-the-wall/window vent within your sliding door frame and fits heights up to 90 inches.  This kit provides efficient and effective  cooling for any room in your home with a sliding door.  This kit offers a portable, practical and easy-to-use solution for your cooling needs.