PetSafe Extreme Weather Energy Efficient Aluminium Pet Door for Cats and Dogs, Insulated Flap System, Medium (M)

Most Energy-Efficient: The unique 3-flap system protects your home in hot or cold climates; adjustable, flexible flaps have a magnetic seal for added protection Additional Insulation: The centre insulated flap helps keep extreme warm and cool air outside of your home while the slide-in closing panel controls your pet's outdoor access and keep stray animals out of your home Built to Last: The durable metal frame with its reinforced aluminium corners is built to handle active and multi-pet households Easy Installation: Made for pets up to 18 kg with an opening size of 21 cm x 31 cm; the outer frame size is 28 cm x 40 cm. Please always measure your door and pet before installing A 27 Year Legacy of Joy: Since 1998, PetSafe has been dedicated to creating innovative products that ensure safe and healthy pets, bringing happiness to pet families worldwide and enriching the lives of pets and their owners