Looked everywhere for the largest doggie door. They were all so expensive everywhere else . WE had no trouble installing the door came easy step by step instructions. We have been enjoying the sturdiest of this door because we have two young XL MASTIFFS running in and out of everyday. It is Perfect for our needs. I would definitely highly recommend.
This door is solid and my Lab loves it! My builders were impressed with the install and durability. Just remember that you will have to build your pet a tall ramp to get in and out.
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