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Home > Pet Door Dimensions Pet Door DimensionsBelow charts show the dimensions of the pet doors by brand. Find
the suitable dog door based on the dimensions of pet door, flap opening, or frame.

| Wall
Entry Aluminum Pet Door |
| Size |
Width |
Height |
Flap Opening |
Metal Frame |
Plastic Outside Frame |
| Small |
6-7/16" |
10-1/8" |
5" x 7" |
7-3/4" x 10-3/4" |
9.75" x 13/5" |
| Medium |
9-5/8" |
14-3/8" |
8" x 11" |
10-3/4" x 14-3/4" |
12.75" x 17.5" |
| Large |
11-7/16" |
18-1/16" |
10" x 15" |
12-3/4" x 18-3/4" |
14.75 x 21.5" |
| Freedom
Aluminum Door |
| Size |
Width |
Height |
Flap Opening |
Frame-Outside |
|
| Small |
6" |
9-5/8" |
5-1/8" x 7-5/8" |
7-7/8" x 11-3/4" |
|
| Medium |
8-13/16" |
13-3/4" |
8-1/8" x 11-3/4" |
10-7/8" x 15-3/4" |
|
| Large |
10-15/16" |
17-5/8" |
10-1/8" x 15-3/4" |
12-7/8" x 19-3/4" |
|
| Extra Large |
14-7/16" |
25-1/8" |
13-5/8" x 23" |
16-3/8" x 27-1/4" |
|
| Plastic
& Extreme Pet Doors |
| Size |
Width |
Height |
Flap Opening |
Frame-Outside |
|
| Small |
6-5/8" |
10-3/16" |
5-1/8" x 7-5/8" |
7-5/8" x 11-1/8" |
|
| Medium |
9-5/8" |
14-3/16" |
8-1/8" x 11-3/4" |
10-5/8" x 15-1/8" |
|
| Large |
11-5/8" |
19-1/4" |
10-1/8" x 15-3/4" |
12-5/8" x 20" |
|
| Extra Large |
15-1/8" |
26-13/16" |
13-5/8" x 23" |
16-1/8" x 27-1/2" |
|
| SmartDoor |
| Size |
Width |
Height |
Flap Opening |
Frame-Outside |
|
| Small |
8-3/8" |
14-15/16" |
6-5/8" x 7-15/16" |
9-1/2" x 15-3/4" |
|
| Large |
15-3/8" |
22-7/8" |
13-1/16" x 15-3/4" |
17-3/8" x 25" |
|
| Staywell |
| Size |
Width |
Height |
Flap Opening |
Frame-Outside |
|
Big Cat
(200 Series) |
10-1/4" diameter hole |
7-1/8" x 7-1/2" |
11-1/2" x 11-1/2" |
|
4-Way Locking
(300 Series) |
6-1/2" x 6-3/8" or 8-3/8" diameter hole |
6-1/4" x 5-1/2" |
9-1/4" x 9-3/4" |
|
Magnetic Lock
(400 Series) |
6-1/2" x 6-3/4" or 8-3/8" diameter hole |
5-7/8" x 5" |
9-1/4" x 9-3/4" |
|
Infrared Lock
(500 Series) |
6-1/2" x 6-3/4" or 8-3/8" diameter hole |
6-3/8" x 5-3/8" |
9-1/4" x 9-3/4" |
|
| Classic |
| Size |
Width |
Height |
Flap Opening |
Frame-Outside |
|
| Small |
5-13/16" |
9-1/2" |
5" x 7" |
7-3/4" x 10-3/4" |
|
| Medium |
8-11/16" |
13-1/2" |
8" x 11" |
10-3/4" x 14-3/4" |
|
| Large |
10-11/16" |
17-1/2" |
10" x 15" |
12-3/4" x 18-3/4" |
|
| Extra Large |
14-3/16" |
25-5/8" |
13-3/8" x 23" |
16-1/4" x 27-1/4" |
|
| Quick
Fit |
| Size |
Width |
Height |
Flap Opening |
Frame-Outside |
Notes |
| Small |
5-15/16" |
8-1/8" |
4-1/4" x 7" |
6-3/4" x 9-3/4" |
Discontinued |
| Medium |
10-3/4" |
14-3/4" |
8" x 11" |
12-1/8" x 17-1/2" |
|
| Large |
13-3/4" |
19-3/8" |
10.5" x 14.5" |
15-3/4" x 23-1/4" |
Discontinued |
| Ultimate |
| Size |
Width |
Height |
Flap Opening |
Frame-Outside |
|
| Small |
7-7/16" |
10-1/4" |
4.25" x 7" |
8-1/4" x 11" |
|
| Medium |
11-15/16" |
15-5/8" |
8" x 11.5" |
12-3/4" x 16-7/16" |
|
| Large |
14-5/8" |
20" |
10-3/8" x 15.75" |
15-1/2" x 21" |
|
| Extra Large |
17-15/16" |
22-5/8" |
13" x 13.5" |
18-3/4" x 23-3/8" |
|
| Cat
Flaps |
| Model |
Name |
Flap Opening |
Frame-Outside |
|
| CC10-050-11 |
Cat Flap |
5-5/8"W x 6"H |
7-1/2"W x 8"H |
|
| CD10-050-11 |
| P1-4W-11 |
Deluxe Cat Flap |
5-5/8"W x 6-1/2"H |
7-1/2"W x 8-1/4"H |
|
| S1-4W-11 |


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