EXTREME WEATHER PET DOORS
This isolated pet door is perfect for allowing more freedom in extreme temperatures, with a 3-flap system 3.5 times more energy-efficient than standard single-flap pet doors. A snap-on weather cover provides extra insulation. It is easy to install. Three sizes are available:
SMALL: up to 15 pounds
Flap Opening: 5 1/8'' x 8 1/4"
Frame Dimensions: 7 1/2'' x 11''
Cut Out: 6 3/8'' x 10 1/8''
MEDIUM: Up to 40 pounds
Flap Opening: 8 1/8" x 12 1/4''
Frame Dimensions: 10 1/2" x 15''
Cut Out: 9 3/8'' x 14''
LARGE: Up to 100 pounds
Flap Opening: 10 1/8'' x 16 1/4''
Frame Dimensions: 12 1/2'' x 19 7/8''
Cut Out: 11 3/8'' x 19''
SKU: 43073 , 43072