PetSafe Aluminum Pet Door Panel (Model PPA11-16640, Lowe's #5350020) in white, designed to fit standard 16 x 80-inch door openings (actual panel dimensions approximately 15-3/4 x 80 inches). This sliding pet door insert allows pets to enter and exit independently without modifying your existing door. Includes the pet door panel unit. Condition is like new and in original box with no damage or missing parts. Ideal for renters or homeowners looking for a non-permanent pet access solution.