PetSafe Extreme Weather Energy Efficient Pet Door for Cats and Dogs Insulated Flap System, Large

PetSafe Extreme Weather Dog Door for Exterior Doors - Great for Hot and Cold Climates, Energy Efficient – 3 Flap Insulated System - for Large Dogs - Plastic Frame (Large)

PetSafe Never Rust Plastic Doggie Door for Install in Interior and Exterior Doors or Walls, Paintable, Easy Install, Closing Panel Included, for Pets Up to 100 lb, (Large)

PetSafe Original Replacement Flap, Dog Door Replacement Flaps, Doggie Flaps Made of Non-Toxic Material, Weather Resistant, (Size- Large)