Photo 1 of Dog Door for Wall, Large Doggy Door with Aluminum Frame and Double Flaps, Easy to Install, Strong and Durable(Pets Up to 100 Lb), Extra Wide Telescoping Tunnel for Interior & Exterior Walls-Black

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Photo 1 of Dog Door for Wall, Large Doggy Door with Aluminum Frame and Double Flaps, Easy to Install, Strong and Durable(Pets Up to 100 Lb), Extra Wide Telescoping Tunnel for Interior & Exterior Walls-Black