The 15 in. x 23.5 in. Ideal Pet Super Large Ruff Weather Wall Kit is an optional accessory designed to be used with the 15 in. x 23.5 in. Ideal Pet Super Large Ruff Weather Door (can be purchased separately). If you desire the flexibility to install your pet door in a location other than in one of your home's interior or exterior doors, this kit allows you to install your new Super Large Ruff Weather Door through a wall with the greatest of ease. Constructed of sturdy plastic, the frame will adapt to fit most standard walls and will maximize the energy efficiency of your Super Large Ruff Weather pet door. Our simple instructions will walk you through the installation process with the greatest of ease.

　　- Designed for use exclusively with the 15 in. x 23.5 in. super large ruff weather plastic frame door with dual flaps (product id: 9)

　　- Maximizes your energy efficiency and allows you to choose the most convenient location for your pet door by installing it through a wall quickly and easily

　　- Adapts to fit walls of 4-3/4 in. to 7-1/4 in. thickness

　　- Eliminates the hassle and guesswork of wall installation with clear instructions and easy, snap together assembly

　　- Cream colored plastic frame is sturdy and stands up to the toughest everyday use

　　- Rough cutout size for door to be installed through is 16-1/8 in. wide by 25-3/4 in. tall