PETCOMING 3-Flap Dog Door, All Aluminum Alloy Large Doggy Doggie Door for Wall, Telescoping Tunnel, Heavy Duty Pet Door for Dogs, Insulation Layer, 2 Magnetic Flaps, Closing Panel, Pets Up to 110 LB
Price History
Product Recommendation
Upgrade Your Pet’s Comfort with the Premium All-Aluminum Dog Door
Give your furry friend the freedom they deserve while keeping your home safe, warm, and draft-free with our Upgraded All-Aluminum Dog Door. Designed for durability, insulation, and convenience, this high-performance pet door is built to last and engineered for maximum comfort—rain or shine.
Stay Warm, Stay Clean – Advanced Insulation Technology
Unlike traditional dog doors, our upgraded three-flap design features 50% more insulation at the center, plus two high-quality magnetic baffles and dust burrs. This ensures a snug barrier against cold winter winds, dust, and debris, maintaining a cozy and clean indoor environment year-round.
Built to Last – Heavy-Duty Aluminum Construction
Crafted entirely from premium aluminum alloy, this dog door is reinforced with a high-end welding process for superior strength. It’s 85% more durable than traditional iron or non-aluminum doors—resisting rust, warping, and wear over time. Say goodbye to frequent replacements and enjoy a long-lasting solution that stands up to even the most energetic pets.
Perfect Fit for Large Dogs – Spacious & Adjustable
Available in a Large size (18.7" x 9.92" flap opening), this door comfortably accommodates dogs up to 110 lbs. The expandable channel fits walls 3.95" to 7.5" thick, making installation flexible for various home setups. Always check the size chart before purchasing to ensure the best fit for your pup!
Safety First – Secure Locking & Emergency Ready
Keep your pet secure with the aluminum alloy safety lock, which prevents unwanted escapes when you’re away. Plus, we include two pet fire and rescue stickers, alerting emergency responders to your pet’s presence in case of an incident—because their safety matters as much as their comfort.
Hassle-Free Installation – Video Guide Included
No need to decipher complicated manuals! We provide a step-by-step installation video, making setup quick and straightforward—even for DIY beginners. Simply follow along to mount the inner and outer frames over your wall opening, and you’re done!
Invest in Quality – Only $119.99!
Treat your pet (and yourself) to a premium dog door that combines innovation, durability
Key Features
- ▶Upgraded Three Flaps: We have upgraded the insulation in the center of the dog door to provide 50% more insulation than traditional insulation. 2 high-quality magnetic baffles and dust burrs provide perfect insulation against cold winter winds and dust, ensuring a warm and clean indoor environment.
- ▶All Aluminum Dog Door: The whole dog door is made of all high quality aluminum alloy, reinforced by high-end welding process, which is more sturdy and not easy to deform and rust.85% more durable than traditional iron and non-aluminum dog doors, extending the life of the dog door and reducing the frequency of replacement and the complexity of repetitive installation processes.
- ▶Two Size Dog Doors: The Large Dog Door features a spacious 18.7 x 9.92 inch flap opening. It is suitable for large dogs weighing up to 110 pounds. When you make a hole in the wall, the opening in the wall measures 10.6 x 18.9 inches. It features an expandable channel that can accommodate walls from 3.95 to 7.5 inches thick. Please compare the size chart to make sure the size is right for your dog before purchase.
- ▶Keep You Puppy Safe at Home: Our dog door is equipped with an aluminum alloy safety lock, which is not easy to be damaged and more durable. Simply lock the sliding dog door panel to keep your puppy safe by preventing it from wandering out when you are not home. The dog door also comes with 2 pet fire and rescue stickers to notify firefighters and emergency personnel.
- ▶Easy to Install: Don't worry about reading the installation instructions is too complicated. Considering the installation needs of our customers, we are equipped with a complete video of the installation process, which will be very friendly to users who do not like to read instructions. All you need to do is follow the steps to install the inner and outer sides of the dog door over the wall holes to complete the installation.
