X Large Cat Door,Cat Flap Door Safety Silent Pet Door with 4 Way Lock,Weatherproof & Easy Installation Cat Door for Cats, Pet Flap for Interior Exterior Door,Window,Wall (White). LARGE SIZE: This cat door (9.25" x 10.03" x 2.16" outside, 7.08" x 7.48" inside) requires a 7.7" x 8.3" opening, this pet door is for cats and small dogs with waist circumstance shorter than 58 cm.
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