Refer to the PlexiDor Size Chart shown below to determine the size pet door you require. Once you know the correct size for your pet, be sure to review the installation information. If you have any questions please call 1-800-749-9609 FREE for assistance.
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PlexiDor
Size
Pet
Weight
Breed Size
Example
Type of
Installation
Opening
for Pet
Installation
Cut Hole
Overall
Dimensions ‡
SmallSM
Up to
9 lbs (Dog)
24 lbs (Cat)
Cats, Chihuhuas, Pomeranians, Papillons, Yorkies, maltese and Japanese Chins
Door Series
Wall Series
6 1/2" x 7 1/4"
8 3/4" x 8 5/8"
8 3/8" x 9 5/8"†
9 7/8" x 9 7/8" (Door Series)
10 3/8" x 11 7/8" (Wall Series)
MediumMD
Up to
40 lbs
Poodles, Corgis, Dachshunds, Beagles, Pekingese, Shelties, Schnauzers, Cocker Spaniels and most Terriers
Door Series
Wall Series
9" x12"
11 1/2" x 13 5/8"
11 7/8" x 14 3/4"†
13 3/4" x 15 1/4" (Door Series)
14 3/8" x 17 3/8" (Wall Series)
LargeLG
Up to
100 lbs
Labradors, German Shepherds, Golden Retrievers, Boxers, Collies, Setters, Bulldogs, Pointers and Dobermans
Door Series
Wall Series
11 3/4" x 16"
14 1/4" x 17 5/8"
14 3/8" x 18 3/8"
16 1/2" x 19 1/4" (Door Series)
16 1/2" x 20 1/2" (Wall Series)
Extra LargeXL
Up to
220 lbs
Great Danes, St. Bernards, Rottweiler, Old English Sheepdogs, Newfoundlands, Irish Wolfhounds and Great Pyrenees
Door Series
Wall Series
15 3/4" x 23 5/8"
15 1/4" x 23 5/8"
18 1/8" x 25 1/4"
18 1/2" x 26 1/4"†
20 1/2" x 26 3/4" (Door Series)
21 1/8" x 28 7/8" (Wall Series)
ElectronicPDE
Up to
125 lbs
Large breed examples as listed including Malamutes, Weimaraners, Rhodesian Ridgebacks and all Cats
Door Series
Wall Series
12 5/8" x 19 5/8"
14 1/4" x 21 3/8"
14 1/4" x 23"†
17 1/8" x 54 5/8" (Door Series)
17 1/8" x 54 5/8" (Wall Series)
† Note: There are two dimensions for the Wall Series cut hole, interior and exterior. Read the installation instructions carefully before cutting.
‡ Dimensions listed in chart are Width by Height.
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