If you have a fenced yard and a pet, a dog door is an awesome investment. However, most of them don't do a great job of keeping the elements out of your house. The solution is a two flap door ...

Endura Flap Double Flap Wall Mount Pet Door. $365 now 5% off. $345 “I have installed just about every dog door available, ...

The doggie door itself is always dirty. The function of a dog sliding through the door means that the flaps pick up all the dirt and oil on your pet.