3-Flap Dog Door, All Aluminum Alloy Large Dog Doggy Doggie Door for Wall, Telescoping Tunnel, Heavy Duty Pet Door for Dogs, Insulation Layer, 2 Magnetic Flaps, Closing Panel, for Pet Up to 110lb
Condition: New
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Wednesday, Aug 6
Size: Large
Features
- Upgraded Three Flaps:We have upgraded the insulation in the center of the dog door to provide 50% more insulation than traditional insulation. Two 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.
- Petcoming's Extra Services: Petcoming will provide all customers with additional replacement door flap if your flap are damaged and falling off.
Size: Large
Brand: PETCOMING
Color: White
Material: Aluminum
Mattress Thickness: 7.5 Inches
Minimum compatible thickness: 3.95 Inches
Weight Limit: 110 Pounds
Frame Material: Aluminum
Dog Breed Size: Large
Product Dimensions: 4 x 13.6 x 22.16 inches
Item Weight: 9.58 pounds
Manufacturer: PETCOMING
Country of Origin: China
Item model number: FKLHJDD3
Date First Available: September 27, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Aug 6
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Size: Large
This is an awesome doggy door. not the cheapest but not the most expensive. I wanted one that had good insulation (3 flaps) took like a day for my puppy to get used to it but she loves it. I open the door and she would still rather use her own door.
Reviewed in the United States on May 16, 2025 by Chuck Holmes
Size: Large
It took about 3 days for our 19 month old to get used to the heavier flap - he'd use it to come back in the house day one but he didn't want to use it to go out....until it was his only choice and then he used it and has been fine ever since. It really is MUCH better at keeping heat or cold out of the house and is well made and was easy to install.
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Reviewed in the United States on April 25, 2025 by SOLwoman
Size: Large
Very well made. I live in the Arizona desert. This door significantly blocks the unforgiving, tortuous heat that this state experiences. It blocks everything. I am very happy with this purchase. Installation was straightforward. The materials are great quality.
Reviewed in the United States on May 12, 2025 by Cathy Ramos
Size: Large
easy installation
Reviewed in the United States on May 27, 2025 by billy dinwiddie
Size: Large
Nothing to say other than this product is as it says it is. No issues at all with this product.
Reviewed in the United States on April 15, 2025 by Brandon-Christopher Schroeder
Size: Medium
The media could not be loaded. This doggie door is much sturdier than models I have seen in big box stores. I like that the security door can be installed from either side and that it has a metal latch that locks positively. The dual flaps are thick, seal well and have magnetic catches on the bottoms. It easily adjusts to fit different sized walls.
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Reviewed in the United States on May 29, 2025 by E.Lopez E.Lopez
Size: Medium
This is a quality doggy door, made from sturdy aluminum with 3 flaps for insulation. But what I like most about this door is it's telescoping tunnel depth for installing in a WALL. This isn't recommended for a door as it starts at almost 4" thick/deep. This could even be installed in an 8" thick block wall, if you had the tools to cut through the block. My first doggy door, meant for a man door but installed in a wall, had to be screwed in from both sides as the "tunnel pieces couldn't reach each other. A lot of thought went into the design of this door.
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Reviewed in the United States on March 25, 2025 by Anonymous genius
Size: Large
This is a exceptional product. It's a great size for medium size dogs. It comes with simple to follow instructions and is easy to install. It has a good seal and is secure when closed. It's strong and has a great look overall. Works great!
Reviewed in the United States on April 12, 2025 by nick