All-Weather Heavy-Duty Pet Door for Wall and Door, Double Flap with Aluminum Lock, Insulated & Weatherproof Design for Pets Up to 40 lbs

iron dog door

• Unmatched Strength with High-Quality Metal Build：Expect nothing less than exceptional durability. The solid metal frame and reinforced structure are designed to withstand constant use by active pets, ensuring this is the last pet door you will ever need to buy.
• Secure from Both Sides with Slide-In Lock：Take control of your pet's access and your home's security. The innovative slide-in lock allows you to securely close the door from either the interior or exterior, providing a simple yet powerful way to keep uninvited guests out.
• Maintain Indoor Climate with Energy-Efficient Design：The dual flaps work in tandem to create a powerful seal against the elements. This insulation helps prevent heat loss in winter and keeps cool air in during summer, promoting a consistent indoor temperature and comfort for your pet.
• Ideal Dimensions for Medium-Sized Pets：Specifically designed for pets up to 40 lbs, the generous 8.25" x 12.25" flap opening offers easy access for most medium dog breeds and cats to enjoy their freedom without any hassle.
• Straightforward Installation on Walls：Transform your space with ease. This door comes with a precise template and comprehensive guide, making installation in various wall types a simple and stress-free task for any homeowner.