PetSafe Extreme Weather Aluminum Pet Door - Most Energy Efficient Pet Door -3 Flaps for Insulation - For Dogs and Cats - Size Extra Large

The PetSafe Extreme Weather Aluminum Pet Door provides an efficient weather seal, perfect for regions with cold temperatures, wind and rain. It features 3-flaps and a magnetic closure, and it comes with an included closing panel when the door is not in use to limit the entry and exit of animals. Its aluminum frame is durable and easy to install in most exterior wood, paneled, PVC and metal doors. However, it's not designed to be installed in glass doors or storm doors that are less than 1 1/2 in thick. Overall, the product has received positive reviews from satisfied customers. Many have mentioned that it's well made, keeps the wind out, and provides good insulation. However, some customers have reported that the outside flap began shrinking or that the door doesn't close tightly and needs more swinging momentum to shut.