PetSafe Never Rust Wall Entry Pet Door – Telescoping Frame – Insulates Better Than Metal Doors, Energy Efficient Cat & Dog Door – Interior & Exterior Walls, Weatherproof, Easy to Install & Clean – L

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About this item
INSTALL INTO YOUR WALL: This pet door is best for homes where it might not be possible to install a pet door into your human door
DURABLE FRAME WON'T RUST: Our pet door is made out of durable plastic that won’t rust like other steel options while also providing great insulation
TELESCOPING DESIGN FOR WALL INSTALLATION: Telescoping tunnel lets you use the door in walls that are 4 3/4 – 7 1/4 in thick; compatible extension kits sold separately for walls thicker than 7 1/4 in
DIY INSTALLATION: This do-it-yourself project easily installs in all types of interior and exterior walls; cutting template and step-by-step instructions are included
ENERGY EFFICIENT: The double-flap provides weatherproofing and energy efficiency, and a slide-in closing panel adds extra insulation when your pet is not using it; PVC frame withstands UV exposure
LARGE SIZE: Large size for big dogs up to 100 lb; flap opening measures 10 1/4 in W X 16 1/4 in H
GIVES YOUR PET FREEDOM: Let your cats and dogs come and go on their own schedule – perfect for potty breaks or play time