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Extra Large Dog Doors

We have all of the extra-large, giant breed dog doors for your bigger pets. Browse our wide selection to find which is best for your household. You don't have to worry about them getting stuck or straining their limbs to go inside or outside.

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MaxSeal PRO Pet Door for Doors MaxSeal PRO Pet Door for Doors

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Best Insulating, Best Sealing
Most Secure, Highest Rated
Metal Interior Security Panel
10 Sizes, Small to Behemoth
Fits Doors 1 1/4" - 2"
Starts at $190.99
5 Star Rated Pet DoorInsulated Pet Door

MaxSeal PRO Pet Door for Walls MaxSeal PRO Pet Door for Walls

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Best Insulating, Best Sealing
Most Secure, Highest Rated
Metal Interior Security Panel
Optional Ext. Security Panel
10 Sizes, Small to Behemoth
Walls: 2" - 10"
$235.99 - $783.99
5 Star Rated Pet DoorInsulated Pet Door

Solo Automatic Pet Door for Dogs & Cats Solo Automatic Pet Doors

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Considered Best Electronic
Proven Raccoon Proof
10 Sizes,
Fits Doors & Walls
$409.99 - 1,231.99
5 Star Rated Pet DoorElectronic Pet Door

MaxSeal Patio Pet Door Insert - Dual Flap | Dual Pane Glass MaxSeal Patio Pet Door Insert

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Dual Pane - Dual Flap
Fits All heights 70" - 99"
Built in Weather Seal
Best Insulating Unit
Starts at $519.99
5 Star Rated Pet DoorInsulated Pet Door

SB Standard Patio Pet Door Inserts SB Standard Patio Pet Door Insert

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Single Pane - Single Flap
Fits Heights 70" - 99"
Built in Weather Seal
Rated Best Utility Model
Starts at $251.99
4 Star Rated Pet Door

Giant Breed Patio Insert for Sliding Glass Doors | Big Dog  Patio Insert for Sliding Patio Doors Giant Breed Patio Pet Door

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Single Pane - Single Flap
Fits Heights 70" - 99"
Design for BIG DOGS
15" x 28" Flap Opening
Rated Best Utility Model
Starts at $390.00
4 Star Rated Pet Door

MaxSeal Door Mount Model MaxSeal Door Mount Pet Door

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Best Insulating, Best Sealing
Most Secure, Highest Rated
10 Sizes, Small to Behemoth
Fits Doors 1 1/4" - 2"
Starts at $160.99
5 Star Rated Pet DoorInsulated Pet Door

MaxSeal Wall Mount Model MaxSeal Wall Mount Pet Door

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Best Insulating, Best Sealing
Most Secure, Highest Rated
10 Sizes, Small to Behemoth
Walls: 2" - 10"
Starts at $204.99
5 Star Rated Pet DoorInsulated Pet Door

Security Boss Pet Screen Door - Sliding Screens Security Boss Pet Screen Door

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Best Choice for
Sliding Screen Doors
4 Sizes
2 Colors
$118.99 - $199.99
5 Star Rated Pet Door

Custom MaxSeal PRO Door Mount Custom MaxSeal PRO Door Mount

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Best Insulating & Sealing
Ultimate Security
Hinged Flaps
Custom Made Sizes
Replace Existing Doors
Fits Doors 1 1/4" - 2"
$214.99 - $765.99
5 Star Rated Pet DoorInsulated Pet Door

Custom MaxSeal PRO Wall Mount Custom MaxSeal PRO Wall Mount

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Best Insulating & Sealing
Ultimate Security
Hinged Flaps
Custom Made Sizes
Replace Existing Pet Doors
Fits Walls up to 16"
$271.99 - $1,071.99
5 Star Rated Pet DoorInsulated Pet Door


Custom MaxSeal Door Mount Pet Door Custom MaxSeal Door Mount

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Best Insulating & Sealing, Most Secure
Custom Made Sizes
Replace Existing Doors
Fits Doors 1 1/4" - 2"
$169.99 - $675.99
5 Star Rated Pet DoorInsulated Pet Door

Custom MaxSeal Wall Mount Pet Door Custom MaxSeal Wall Mount

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Best Insulating & Sealing, Most Secure
Custom Made Sizes
Replace Existing Doors
Walls: 2" - 10"
$226.99 - $766.99
5 Star Rated Pet DoorInsulated Pet Door

SB4 Pet Screen Door SB4 Pet Screen Door

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Best Choice for Screened
Porches & Lanais
5 Sizes
2 Colors
Fits 3/4" - 1 1/8"
$134.99 - $216.99
5 Star Rated Pet Door

SB72 Door Mount Dog Door SB72 Door Mount Dog Door

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Below 45 degree Environments
Chew Resistant Exterior Door
5 Sizes
Fits Doors 1 1/4" - 2"
Starts at $293.99
5 Star Rated Pet DoorInsulated Pet Door

SB72 Wall Mount Dog Door SB72 Wall Mount Dog Door

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Below 45 degree Environments
Chew Proof Exterior Door
5 Sizes
Walls: 2" - 10"
$355.99 - $724.99
5 Star Rated Pet DoorInsulated Pet Door

Liberator Pet Door for Walls Liberator Pet Door for Walls

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Economic Insulation & Sealing
4 Sizes, Small to Extra Large
Fits Walls 2" - 10"
$204.99 - $443.99
5 Star Rated Pet DoorInsulated Pet Door

SB Standard Wall Mount Pet Door SB Standard Wall Mount Pet Door

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Highest Rated Utility Model
Heavy Duty Alum. Frame
4 Sizes
Walls: 2" - 10"
$177.99 - $257.99
3 Star Rated Pet Door

Liberator Pet Door for Doors Liberator Pet Door for Doors

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Economic Insulation & Sealing
4 Sizes, Small to Extra Large
Fits Doors 1 1/4" - 2"
$154.99 - 369.99
5 Star Rated Pet DoorInsulated Pet Door

Designer Series Ruff Weather Pet Door Designer Series Ruff Weather Pet Door

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Utility Dual Flap
Plastic Frame
4 Sizes
Doors: 1 1/4 - 1 3/4"
Walls: 4 3/4" - 7 1/4"
$94.99 - $272.99
3 Star Rated Pet DoorInsulated Pet Door

PetSafe Electronic - Security Boss Single Pane Patio Pet Door PetSafe Electronic - Security Boss Single Pane Patio Pet Door

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Single Pane - Electronic
Fit Heights 70" - 99"
Let Dog Out - Keep Cat In
Starts at $349.99
4 Star Rated Pet DoorElectronic Pet Door

PetSafe Electronic - Security Boss Dual Pane Patio Pet Door PetSafe Electronic - Security Boss Dual Pane Patio Pet Door

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Dual Pane - Electronic
Fit Heights 70" - 99"
Let Dog Out - Keep Cat In
Starts at $393.99
4 Star Rated Pet DoorInsulated Pet DoorElectronic Pet Door

Insulated Patio Cat Door - Dual Flap | Dual Pane Glass Insulated Patio Cat Door

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Dual Pane - Dual Flap
Fits All heights 70" - 99"
Built in Weather Seal
Best Insulating Unit
Starts at $467.99
5 Star Rated Pet DoorInsulated Pet Door

   
 

Dog Doors For Large Dogs


Custom Made for Danes & Mastiffs Custom Door for 260lb. Mastiff

Extra-large and giant breed dog doors are not as common as the smaller sizes. That can prove a problem for your Great Dane, Doberman or Deerhound. For those customers who have giant breed or even extra-large dogs, you know how important it is for an adequately sized pet opening.

Our larger friends tend to get arthritis and hip ailments more easily, not to mention aggravating injuries that can become more serious. A dog door that is large enough to provide enough room to navigate freely through the opening minimizes injuries and provides your dog freedom even in their later years.

You will want a dog door that when installed will be mounted high enough that the top of the opening will be 1.5 to 2″ higher than your dog?s back. The bottom of the pet opening should be low enough to the ground so that they can easily step through without dragging their legs or having to step too high. You can ascertain that by measuring your dog?s height and weight from shoulders to feet.

If the pet opening is not adequate enough for their size, then you will run the risk of your dog incurring injuries as they use the small opening. These injuries tend to develop into larger problems, especially among the larger breed dogs.

Weather Proof Giant Dog Doors

Weatherproof doors are a great choice for owners that prioritize efficiency. Save on heat and electric bills when you use them. If you live in an area that is prone to rain or snow, then you don?t want a dog door that lets in the cold or wet elements.

Try out the MaxSeal Patio Pet Door Insert when you have a screened area for your pets. This is meant for sliding glass doors so as to aim for maximum insulation, with a thermo dual-pane installed. Easily remove and insert with small amounts of assembly. Lock at your convenience, and take advantage of the seal to avoid heavy rain or sleet.

Our most popular patio model is the Giant Breed Patio Pet Door. Four elevation options mean that you have flexibility in choosing the right one for your big or super-large dog. Adjust for their mobility and size.

Large Electronic Dog Doors

Electronic dog doors are a great choice for when you want to keep out common pests. These can include raccoons, mice, rats, opossums, and squirrels. Such unwanted visitors can cause stress to your pet as well as the people in the house. You can implement tags in your dog?s collar so that only they can open the door.

We love Solo Automatic Pet Doors for this particular occasion, certified raccoon-proof and built to last. You can customize the size of the door in question so that any breed can use them, with magnetic collars which are easy to replace. The door slides upwards and slowly lowers to avoid any injury to the user. Choose if you want to mount it on the wall or door, in any part of the house.

PetSafe Dog Doors

PetSafe is a reliable brand that lives up to its name. They want to provide durability and security for their customers, whether the latter are large dogs, determined cats, or loving humans.

We can always recommend the PetSafe Security Boss Dual Pane Patio Pet Door for when you want to keep your cat inside but allow your dog to go out and play. No tools or hardware are required for assembly, which makes the door easy to insert or remove. Dogs simply need to use a collar tag to enter or leave, and it will keep your house free of raccoons and other rodents.

Wall Mount Dog Doors

Wall-mounted dog doors are a way to add flexibility to your household. You can add one to any room in the house and add ramps to help elderly canines. A wall-mount also limits access to certain areas, so you can keep your pet from entering a cat?s room or spaces that belong to the neighbors.

The MaxSeal PRO Pet Door for Walls is made for security and durability. Hinges lengthen the lifespan of the vinyl flaps. The aluminum frame protects against rust as well.

Find The Perfect Doggy Door At Moore Pet Supplies

Moore Pets Supplies wants to provide the doors, fences and pet products that no other store has. When your big dog needs extra care to give them a happy life, we can provide it. Our goal is to ensure every animal in your household is comfortable.
Contact us today to place an order or to ask about our different-sized doors. We?ll be very happy to upgrade your house with canine convenience.

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