Photo 1 of Pet Door for Wall, Steel Frame and Telescoping Tunnel, Aluminum Lock, Double Flap Dog Door and Cat Door, Strong and Durable (Pets Up to 12 Lb) -Small Flap Opening:5 1/4"W x 8 1/8"H. Frame: 9 1/4"W x 13 1/8"H. Cutout in wall: 6 3/4"W x 10 "H. SMALL

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Photo 1 of Pet Door for Wall, Steel Frame and Telescoping Tunnel, Aluminum Lock, Double Flap Dog Door and Cat Door, Strong and Durable (Pets Up to 12 Lb) -Small Flap Opening:5 1/4"W x 8 1/8"H. Frame: 9 1/4"W x 13 1/8"H. Cutout in wall: 6 3/4"W x 10 "H. SMALLPhoto 2 of Pet Door for Wall, Steel Frame and Telescoping Tunnel, Aluminum Lock, Double Flap Dog Door and Cat Door, Strong and Durable (Pets Up to 12 Lb) -Small Flap Opening:5 1/4"W x 8 1/8"H. Frame: 9 1/4"W x 13 1/8"H. Cutout in wall: 6 3/4"W x 10 "H. SMALL