Find The Best Pet Door Size For My Pet

Where To Install:

Door

Wall

Window

Sliding Glass Door

Measure the height of your pet from the top of the shoulders to the ground: inches

Measure the width of your pet from the widest part from shoulders to shoulder: inches

My pet has limited mobility. A pet who has trouble walking needs a taller pet door so that it will be easier for them to climb through.

Horizontal Opening Window

9-14

6

Original

https://enduraflap.com/products/horizontal-sliding-window-cat-door?variant=39518503370831
Door

5-13

6

Small

https://enduraflap.com/products/pet-door-for-doors-double-flap?variant=30887020757071
Door

5-17

8

Medium

https://enduraflap.com/products/pet-door-for-doors-double-flap?variant=30887092584527
Door

9-23

10

Large

https://enduraflap.com/products/pet-door-for-doors-double-flap?variant=30887092682831
Door

9-29

12

Extra Large

https://enduraflap.com/products/pet-door-for-doors-double-flap?variant=30887092781135
Wall

5-13

6

Small

https://enduraflap.com/products/pet-doors-for-walls-double-flap?variant=30371900096591
Wall

5-17

8

Medium

https://enduraflap.com/products/pet-doors-for-walls-double-flap?variant=30371900194895
Wall

9-23

10

Large

https://enduraflap.com/products/pet-doors-for-walls-double-flap?variant=30371900293199
Wall

9-29

12

Extra Large

https://enduraflap.com/products/pet-doors-for-walls-double-flap?variant=30371900391503
Kennel

9-13

6

Small

https://enduraflap.com/products/kennel-dog-doors?variant=31373400473679
Kennel

9-17

8

Medium

https://enduraflap.com/products/kennel-dog-doors?variant=31373400506447
Kennel

9-23

10

Large

https://enduraflap.com/products/kennel-dog-doors?variant=31373400539215
Kennel

9-29

12

Extra Large

https://enduraflap.com/products/kennel-dog-doors?variant=31373400571983
Sliding Glass Door

9-15

6

Small

https://enduraflap.com/products/quick-panel-3-patio-pet-door?variant=39518507106383
Sliding Glass Door

9-19

8

Medium

https://enduraflap.com/products/quick-panel-3-patio-pet-door?variant=39518507466831
Sliding Glass Door

9-23

10

Large

https://enduraflap.com/products/quick-panel-3-patio-pet-door?variant=39518507761743
Sliding Glass Door

9-29

12

Extra Large

https://enduraflap.com/products/quick-panel-3-patio-pet-door?variant=39518508056655
Sliding Glass Door

10-14

6

Small

https://enduraflap.com/products/severe-weather-vinyl-patio-dog-door?variant=39518506156111
Sliding Glass Door

10-18

8

Medium

https://enduraflap.com/products/severe-weather-vinyl-patio-dog-door?variant=39518506221647
Sliding Glass Door

10-24

10

Large

https://enduraflap.com/products/severe-weather-vinyl-patio-dog-door?variant=39518506287183
Sliding Glass Door

10-28

12

Extra Large

https://enduraflap.com/products/severe-weather-vinyl-patio-dog-door?variant=39518506352719
Door

5-13

6

Small

https://enduraflap.com/products/pet-door-for-doors?variant=30738855624783
Door

5-17

8

Medium

https://enduraflap.com/products/pet-door-for-doors?variant=30885444616271
Door

9-23

10

Large

https://enduraflap.com/products/pet-door-for-doors?variant=30885444714575
Door

9-29

12

Extra Large

https://enduraflap.com/products/pet-door-for-doors?variant=30885444812879
Wall

5-13

6

Small

https://enduraflap.com/products/wall-mount-single-flap?variant=30337359282255
Wall

5-17

8

Medium

https://enduraflap.com/products/wall-mount-single-flap?variant=30345914679375
Wall

9-23

10

Large

https://enduraflap.com/products/wall-mount-single-flap?variant=30345914777679
Wall

9-29

12

Extra Large

https://enduraflap.com/products/wall-mount-single-flap?variant=30345914875983
Sliding Glass Door

9-15

6

Small

https://enduraflap.com/products/thermo-panel-3e-patio-door?variant=39518500913231
Sliding Glass Door

9-19

8

Medium

https://enduraflap.com/products/thermo-panel-3e-patio-door?variant=39518501109839
Sliding Glass Door

9-23

10

Large

https://enduraflap.com/products/thermo-panel-3e-patio-door?variant=39518501306447
Sliding Glass Door

9-29

12

Extra Large

https://enduraflap.com/products/thermo-panel-3e-patio-door?variant=39518501503055
Sliding Glass Door

9-14

6

Small

https://enduraflap.com/products/vinyl-cat-door-patio-door?variant=39518506418255
Sliding Glass Door

10-14

6

Small

https://enduraflap.com/products/vinyl-sliding-glass-patio-door?variant=39518506516559
Sliding Glass Door

10-18

8

Medium

https://enduraflap.com/products/vinyl-sliding-glass-patio-door?variant=39518506582095
Sliding Glass Door

12-24

10

Large

https://enduraflap.com/products/vinyl-sliding-glass-patio-door?variant=39518506647631
Sliding Glass Door

12-28

12

Extra Large

https://enduraflap.com/products/vinyl-sliding-glass-patio-door?variant=39518506713167
Window

9-13

6

Small

https://enduraflap.com/products/thermo-sash-3e-cat-doors-for-sash-windows?variant=39518499536975
Window

9-13

6

Small

https://enduraflap.com/products/thermo-sash-3e-for-windows?variant=39518503993423
Window

9-17

8

Medium

https://enduraflap.com/products/thermo-sash-3e-for-windows?variant=39518504026191
Window

9-21

10

Large

https://enduraflap.com/products/thermo-sash-3e-for-windows?variant=39518504058959
Window

9-25

12

Extra Large

Endura Flap Double Flap Door Mount Pet Door (FFF)

Regular price: ~~$369.99~~
Sale price: $319.99
Unit price: per

Flap Size

Color

Quantity

Quantity must be 1 or more

Best energy-efficient pet door for extreme cold or hot weather
Installs into doors 1-3/4" to 2-1/4" thick
Weatherproof double flap is ideal for areas with extreme hot/cold climate and strong winds
Complete magnetic seal to resist winds up to 50mph
Total freedom for you and your pet
Comes with a sturdy ABS plastic locking cover

Product Details
Reviews

Endura Flap Double Flap Door Mount Pet Door (FFF)

Small / White Edit

Product Details

Heavy-duty double flaps with a complete magnetic seal for an unbeatable insulation value and weather resistance
Total weather resistance in temperatures from -40℉ to 110℉
Made to be installed in all types of doors including, but not limited to, solid core doors, hollow core doors, metal doors, storm doors
High-quality flap will not warp or crack in the heat and cold
Secure Locking Cover with the strength of 1/16" of steel to block access when needed
Flexible flap swings on a rod at the top to avoid cracking and flexing
Double flap design ideal for severe weather conditions
Four sizes available from small for cats to extra large for large dogs like Great Danes designed to accommodate most breeds
Option to add or decrease magnet strength, perfect for training pets or increasing already significant wind resistance

Need help installing? Read our Dog Door for Doors Installation Guide.

There has been lots of discussion as to why the Endura Flap is such a high-performing pet door, but for engineers or those looking for some more technical information here is a 74-page dog door energy efficiency study showing what makes it so special.