PetSafe Extreme Weather Aluminum Pet Door - Most Energy Efficient Pet Door - 3 Flaps for Insulation - For Dogs and Cats - Size Large

OPTIMIZE YOUR ENERGY BILL: By eliminating drafts in the winter and conserving air conditioning in the summer, PetSafe brand's most energy-efficient pet door will protect your home in any climate
ENCOURAGE EXERCISE AND INDEPENDENCE: Give your cats and dogs freedom to go in or out without asking for your help to open the door—perfect for potty breaks or play time
3-FLAP INSULATION: Insulated to block 3 times more thermal energy than a standard pet door, and includes adjustable, flexible flaps with a magnetic seal to keep the weather outside where it belongs
BUILT TO LAST: Durable metal frame has reinforced aluminum corners and is built to handle multi-pet households; sturdy slide-in closing panel controls your pet's access and keeps stray animals out
DIY INSTALLATION: Easily installs in most exterior doors including paneled, wood, PVC and metal doors 1 1/2 in - 2 in thick; 1 year warranty.MULTIPLE SIZE OPTIONS: Medium for cats or dogs 1 - 40 lb; Large for dogs 1 - 100 lb; Extra Large for big dogs 12 - 220 lb.CUSTOMER CARE: Let our pet product experts help; we're available Monday through Saturday to answer your questions at 1-800-845-3274.QUALITY GUARANTEED: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations for nearly 30 years; we help pets and their people live happy together