This Pet Door is Amazing can be installed through anything sliding glass doors, brick walls, solid metal doors, storm doors and screens. As well as being very energy efficient and durable it is the ultimate in security, when you decide to live town you can lock the door with lexan covering so that it would be easier to break a window then go through the pet door unbreakable cover 22 bullets will not penetrate nor will a sledge hammer I have tried it. Buy this door installers are great and support for the product is like nothing in this world.
Pros: Great Customer Service, Large Selection and caring
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