2 Pack Medium Dog Door Replacement Flaps with Screw,and 3-Flap Dog Door for Wall, Steel Frame and Telescoping Tunnel Dog Doors and Cat Doors(Pets Up to 40 Lb) -Medium

The MIAOTONG Dog Door Replacement Flap and 3-Flap Dog Door Set is the perfect solution to enhance your pet door's functionality! Designed specifically for the original dog door, this set uses the same high-quality materials and modern, minimalist style to ensure a seamless fit with your home decor. The replacement flap and door curtain are made of high-quality, environmentally friendly materials with excellent waterproof and dustproof performance, while the reinforced wall door structure provides long-lasting durability. The specially upgraded three-layer insulation design (with an additional insulation layer) can withstand extreme weather conditions from -20°F to 120°F, effectively saving energy and keeping warm.

• MIAOTONG Medium Dog Door: MIAOTONG premium aluminium dog door for wall has expandable access and fits walls 3 9/16 - 6 11/16 inches thick. Flap opening: 8 1/8 inches wide x 12 7/8 inches high. Door frame: 12 1/4 inches wide x 16 3/8 inches high. Wall Cutout:9 3/5 inches wide x 13 3/5 inches high Tailored for pets weighing up to 40 pounds to ensure a perfect fit
• 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
• 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
• Fits for Medium Size Pets : dog door replacement flaps is Measure 8 1/8 inch(Width) x 12 3/4 inch(Length), with 4 holes at the top of the flap,and it also can be use as cat door flap replacement
• Easy to replace with screws: Pet door replacement flap includes 2 flaps and 2 packs of 4 screws, just need a screwdriver and install the flap to the existing pet door frame in minutes