The PETCOMING all aluminum three flap dog door is a premium solution designed for pet owners seeking durability, security, and insulation. This dog door is ideal for large dogs and is perfect for installation on various doors, providing easy access while ensuring home safety.

Constructed from high-quality aluminum alloy, this dog door combines heavy weight and exceptional durability. Its robust design resists rust and corrosion, ensuring a long-lasting and reliable product. The door features a spacious flap opening of 18.7 x 9.92 inches, accommodating large dogs weighing up to 110 pounds.

With an adjustable tunnel, it fits door thicknesses ranging from 1.26 to 2.08 inches, making it versatile for different installations. The innovative three-flap insulation system enhances its warmth performance, effectively reducing cold drafts from the outside.

Key Features

• Superior Insulation: Equipped with a unique insulation flap, this dog door improves warmth and energy efficiency, keeping indoor spaces cozy during cold weather.
• Heavy-Duty Construction: Made from selected high-quality aluminum alloy, it offers superior sturdiness and resistance to deformation, making it a reliable choice for active pets.
• Large Size: With a spacious flap opening of 18.7 x 9.92 inches, this door is suitable for large dogs up to 110 pounds, ensuring easy access for your furry friend.
• Security Lock: The integrated closing panel and sturdy aluminum security lock provide enhanced safety, allowing you to secure the door when not in use.
• Easy Installation: Comprehensive user manual and installation guide video are included, ensuring a straightforward setup process for any user.
• Dust and Insect Prevention: Magnetic strips on the double flaps and dust strips on the frame enhance sealing, effectively preventing dirt and insects from entering your home.
• Attractive Design: The sleek black finish complements various home decors while providing a functional addition to your door.

The PETCOMING all aluminum three flap dog door is an excellent choice for pet owners who value quality and functionality. Its robust design and secure features make it a perfect addition to any home, enhancing both pet access and overall security. This dog door is particularly beneficial for large dog breeds, ensuring they enjoy the freedom to roam while keeping your home protected.