Size Guide

Find the right door your pet.

Size Guide

Find the right door your pet.

1. Width

Measure the widest part of your pet, usually across the chest. Add an extra inch

2. Height

Measure your pet from the bottom of the chest or belly to the top of the shoulders, which ever is the tallest part

3. Select

Based on your pets width and height, use the chart below to select which doorsize fits your pet correctly

Important: Remember to allow for your pet’s future growth.

Door Size Pet Weight Flap Width Flap Height
S Up to 20 Ibs 6.7” 9.1”
M Up to 42 Ibs 8.9” 12.2”
L Up to 100 Ibs 11” 16.1”

Pet Doors

Deluxe Aluminum Pet Door

Door Size Pet Weight Flap Opening Size
Width Height
SMALL Up to 9 lbs 6.7” 9.1”
MEDIUM Up to 18 lbs 8.9” 12.2”
LARGE Up to 45 lbs 11” 16.1”
X LARGE Up to 100 lbs 14.6” 23.4”

Super Tough Pet Door

Door Size Pet Weight Flap Opening Size
Width Height
SMALL Up to 20 Ibs 6.7” 9.4”
MEDIUM Up to 42 Ibs 8.9” 11.4”
LARGE Up to 100 Ibs 11.6” 16.7”

Essential Pet Door

Door Size Pet Weight Flap Opening Size
Width Height
SMALL Up to 20 Ibs 7.2” 9.3”
MEDIUM Up to 42 Ibs 9.3” 12.4”
LARGE Up to 100 Ibs 11” 16.9”

Ultra Clear Pet Door

Door Size Pet Weight Flap Opening Size
Width Height
SMALL Up to 20 Ibs 7.5” 7.5”
MEDIUM Up to 42 Ibs 11.4” 11.4”

Patio Pet Door

Door Size Pet Weight Flap Opening Size
Width Height
SMALL Up to 20 Ibs 6.9” 9.1”
MEDIUM Up to 42 Ibs 8.9” 12.2”
LARGE Up to 100 Ibs 11” 16.1”

Cat Flap

Door Size Pet Weight Flap Opening Size
Width Height
SMALL Up to 20 Ibs 5.7” 5.9”
MEDIUM Up to 42 Ibs 7.3” 7.3”