MIAOTONG 3-Flap Dog Door for Wall, Energy-Efficient Insulated Pet Doors for Wall, Aluminum Lock Doggy Door, Steel Frame and Telescoping Tunnel Dog Doors(Pets Up to 100 Lb) -Large

Perfect For Large Pets: MIAOTONG premium aluminium dog door for wall has expandable access and fits walls 3 9/16 - 6 11/16 inches thick. Flap opening 10 1/8"W x 16 7/8"H, frame 11 3/5 "W x 17 9/10"H, sturdy frame, Pets Up to 100 lbs | Energy Saving Insulation: MIAOTONG pet door for wall adds an extra insulating flap to the double flap design to withstand harsh weather conditions from -20°F to 120°F | Optimised Brush SealsšMIAOTONG Doggy door for wall is equipped with highly efficient brush seal, which is delicate and soft, and fits closely with the door frame, effectively blocking the penetration of outside air and the entry of mosquitoes and insects | Exquisite appearance design: MIAOTONG Doggie door for wall is personally designed by famous designers, with design patents, in line with European and American aesthetics, and the perfect match with the wall, adding decoration to your home | Easy to Install:Wall dog door comes with intuitive cut-out templates with detailed step-by-step installation guides to make the installation process quick and easy, even if it's your first time trying it out, so you can do it yourself | After-Sales Service : We want to make sure that you are completely satisfied with dog door large and that it meets your needs. If you have any questions or concerns, please feel free to contact us and we will be happy to serve you