Put on a outside door. We just lock open the screen door. In the evening we lock the cat door and close screen. Although it says weather proof..can still let in some cold air. This way no extra cold air gets in the house.
Ordered this for my 9lb Pomeranian. Very air tight and high quality product. Had a handyman install. Dog loves the independence of the door. Took one day to train my dog to use. Will change your life with a pet. No more worries about accidents.
I have had very expensive dog doors installed at other places that I lived - even custom sizes for elderly pets. On my third move in eight years the installer suggested this product and mentioned I could get it cheaper online. Not only have my last two houses had this PetSafe door installed through the wall (carpet the inside!) but this most recent purchase was a housewarming gift for a friend with an indoor/outdoor cat. She loves it! Good return policy, too - my first was a 'small' for her cat and it was returned for a 'medium'. This is a quality product & a good buy.
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