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Yes. The frame is made from hardened T6 aluminum. Most dogs will not chew it. It does not rust or dent easily.
Is the frame chew-resistant?
The Best Pet Door
Most pets hate flap doors! PlexiDor Pet Doors are long-lasting and beloved alternatives.They have hinges, like a door, so there's no loud flap slap or flexible materials. They lock easily, and most models come with a steel security plate for additional security when you are away.
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