Miaotong Large Dog Door – Double Flap, Steel Frame, Wall Mount

This premium pet door is engineered for pets up to 100 lbs, featuring a 10 1/8” W × 16 7/8” H flap opening. Its heavy-duty steel frame with an aluminum lock ensures durability and security. The double flap system improves insulation and weather resistance, while the integrated telescoping tunnel guarantees a snug fit against walls with a clean finish. Optimized brush seals effectively block drafts, insects, and outdoor elements. The snap closure system secures the flap firmly in place. Designed with a modern aesthetic and patented design, it includes a sliding panel, double stops, and a comprehensive installation kit with a cut-out template and detailed instructions, suitable for large dogs and cats.