PetSafe Wall Entry Pet Door - Rust-Free Telescoping Frame - Easy Install for Interior & Exterior Walls 4 3/4" - 7" Thick - Medium - for Pets Up to 40 Lb

Wall-Mounted Pet Access: the PetSafe Wall Entry Pet Door installs in interior or exterior walls 4¾"7¼" thick, ideal for homes where door-mounted pet doors aren't an option. | Durable & Weather-Resistant: Features a rust-free, telescoping paintable frame and insulated, cleanable flap system for long-lasting, all-weather performance | Secure & Versatile Design: For peace of mind, choose when your pet comes and goes with the included closing panel; medium flap size fits pets up to 40 lb | Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets | 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families