A door like this has three flaps that work to separate your home from the outside while still giving your dog the ability to leave when she needs to. The energy efficiency is more than 3 times higher than standard dog doors.
It is easy to install and fits most standard doors. With an additional snap on weather guard you are able to add a layer of protection for weather such as storms and blizzards. So no matter how hot or how cold it gets where you live the PetSafe Extreme Weather Pet Door will keep the weather out of your house.