Freedom Patio Panel Pet Doors allow your pet to come and go as he 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 UltraSeal flexible flap system designed to keep the heat and cold outdoors.
If you have a recessed sliding glass door, you will need a <a href="http://www.petsafe.net/products/accessories-and-batteries/pet-door-accessories/patio-panel-kit-for-recessed-door-frames">Patio Panel Kit</a> (not included). For more information on recessed doors, watch the video below or view More Info.
About recessed doors
An exposed sliding glass door frame is visible and exposed in the interior and exterior wall. You can see the track the door slides into. A recessed frame is flush with or barely visible in the interior or exterior wall. You can’t see the track the door slides into. If you have a recessed door, you will need a Patio Panel Kit (not included) to install your pet door.