PetSafe Freedom Aluminum Patio Panel Sliding Glass Pet Door for Dogs and Cats - Adjustable Frame. See Amazon link for more details, size chart and pics. Used only a couple months then moved to a house without a sliding door. Excellent condition. Please note - there are brackets shown in the installation video that never came with our door. We never requested them from the manufacturer because we installed the door without them but you could request the missing parts from manufacturer or just use your own brackets or install without them.  {url removed} The Pet Safe Freedom Patio Panel Pet Door allows your dog or cat to come and go as it pleases through your sliding glass door. These doors feature a heavy-duty aluminum construction and shatter-resistant, tempered safety glass. They're also equipped with the energy-conserving ultra seal flexible flap system designed to keep the heat and cold outdoors. Rise 8 1/4 inch, Flap Opening 10 1/4 inch x 16 3/8 inch.Easy installation with no cutting required.