2 of 2 people found the following review helpful
Cat flap door,
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This review is from: Ideal Pet Products Ruff Weather Extra Large Dog Door with Plastic Protector Alarm Slide (Misc.)
I actually used this door to convert one of those sliding door inserts that had already a simple cat door build in. This door is far superior where I can select In-only access or regular operation. Great quality also with high quality Lexan see-through door.