Photo 1 of MIAOTONG Medium Dog Door,Upgraded Sealing Dog Door for Wall, Double Flap Doggy Door,Steel Frame and Telescoping Tunnel Dog Doors and Cat Doors(Pets Up to 40 Lb) -Medium

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Photo 1 of MIAOTONG Medium Dog Door,Upgraded Sealing Dog Door for Wall, Double Flap Doggy Door,Steel Frame and Telescoping Tunnel Dog Doors and Cat Doors(Pets Up to 40 Lb) -MediumPhoto 2 of MIAOTONG Medium Dog Door,Upgraded Sealing Dog Door for Wall, Double Flap Doggy Door,Steel Frame and Telescoping Tunnel Dog Doors and Cat Doors(Pets Up to 40 Lb) -MediumPhoto 3 of MIAOTONG Medium Dog Door,Upgraded Sealing Dog Door for Wall, Double Flap Doggy Door,Steel Frame and Telescoping Tunnel Dog Doors and Cat Doors(Pets Up to 40 Lb) -Medium