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Some. The door seals tightly when closed. The air leakage is similar to a house door unless weather seal wears out, which is replaceable. The PDE has the tightest seal.
Does it leak air or water?
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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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