Large Dog Door, Aluminum Frame Doggy Door, Weatherproof Dogs Doors with Automatic Closing Double Panels for Energy Efficient, Heavy-Duty Doggie Doors for Large and Medium Dog Up to 120LBS

Large Dog Door with Aluminum Frame, 16" x 21" – Weatherproof, Automatic Closing Double Panels, and Lockable Sliding Panel for Easy Installation on Interior and Exterior DoorsThis large dog door, with a flap opening of 13" x 18", is perfect for medium to large pets up to 120 pounds. Designed for convenience and security, it allows your pets to come and go freely, whether for bathroom breaks or outdoor playtime. The automatic double-panel closing mechanism ensures a weatherproof seal, and the lockable sliding panel adds extra protection for your home.Key Features:Automatic Double Closing Panels: Provides ease of use and keeps out weather elements while allowing effortless pet access.Lockable Sliding Panel: Adds extra security when needed.Removable Flap: For easy cleaning and replacement, ensuring long-term use and hygiene.Simple Installation: Comes with a detailed manual and installation template, making setup a breeze, even for beginners.Specifications:Frame Size: 16" (W) x 21" (H)Flap Opening: 13" (W) x 18" (H)Cutout Size: 13.4" (W) x 18.7" (H)Fits Door/Wall Thickness: 1.3" to 2.5"Pet Weight Limit: Suitable for pets up to 120 lbsPackage Includes:1x Aluminum Dog Door1x Lockable Sliding Panel1x Cutting Template1x Installation ManualScrews & Nails Pack

• [Large Dog Door for Medium to Large Pets] Perfect for pets up to 120 pounds, this dog door features a frame size of 16" (W) x 21" (H) with a flap opening of 13" (W) x 18" (H). The door cutout is 13.4" (W) x 18.7" (H). Equipped with dual automatic closing panels, it allows your pet to move in and out safely and easily—ideal for bathroom breaks or outdoor play.
• [Durable and Secure Construction] Crafted with advanced laser-welded metal technology and a high-quality aluminum alloy frame, this dog door is built to withstand extreme temperatures from -148°F to 572°F. Unlike plastic frames, this sturdy structure ensures long-lasting durability and safety, providing a secure environment for your pets.
• [Energy-Efficient Design] The magnetic sealing strip ensures that the panels automatically close after each use, while four strong magnets lock the panels in place, providing an airtight seal. This design offers superior insulation, protecting against wind and rain, and enhancing energy efficiency. The lockable sliding panel adds an extra layer of protection against extreme weather conditions.
• [Simple DIY Installation] Installing this large dog door is a straightforward DIY task for both interior and exterior walls. With detailed instructions and a cutting template, you can accurately install the door in walls or doors 1.3 to 2.5 inches thick, making the process quick and easy.
• Perfect for large breeds like Golden Retrievers, German Shepherds, and Labradors, this door gives your furry friend the freedom to enter and exit your home at will. For any questions or assistance, feel free to contact us.