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![View 1 of [Wall Installation Needed] Dog Door for Wall Steel Frame, Telescoping Tunnel & Double Food-Grade Silicone Flaps Pet Door, Doggy Doors with Secure Lock (Pets Up to 40 lbs) - Medium](https://m.media-amazon.com/images/I/71sA4qNPT2L.jpg)
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![View 3 of [Wall Installation Needed] Dog Door for Wall Steel Frame, Telescoping Tunnel & Double Food-Grade Silicone Flaps Pet Door, Doggy Doors with Secure Lock (Pets Up to 40 lbs) - Medium](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1086634247%2Fqr-Z09PMpiMQF6HaQjqkK.jpeg?alt=media&token=8281270d-5f10-41bb-bfb2-5b8056b40960)