Large Dog Door for Sliding Glass Door - Right Open Amount from Inside - Overall Size: 81 3/4 Inch x 16 1/8 inch, Flap Size: 11.5"(W) x 16.5"(H)

Large Dog Door: Designed for medium pets with a width of up to 11 inches. Adjustable height from 77.25" to 81.75". | Weatherproof Strip: Comes with three types of strips to provide superior insulation, maintaining your home's energy efficiency and comfort. | Security Lock: Includes a latch lock to secure your sliding door with the pet door, ensuring your home stays safe while preventing drafts. | Durable Aluminum Frame: Heavy-duty aluminum construction ensures the door withstands regular use and exposure to the elements, providing durability and reliability. | Free Pet Access: Give your pet the freedom to go outside anytime, saving you time and effort. Ideal for busy households and pets needing frequent outdoor access. | Slide-in Panel with Handle: Easily control your pet's access and keep unwanted animals or intruders out.