Extra‑Large Wall‑Mount Dog Door – Heavy Duty Aluminum, Telescoping Tunnel, Double Magnetic Flaps + Double Sliding Lock Panels (up to 220 lb), Smoky Gray

• Weight Capacity: Designed for pets up to 220 lbs, matching your specified requirement.

• Construction & Features:

  • Rugged aluminum frame with a telescoping tunnel—ideal for walls of varying thickness.

  • Two magnetic flaps for superior energy efficiency, plus two sliding lock panels for added security and insulation.

  • Sleek smoky gray finish aligns with your color preference.

• Ease of Installation: Typically includes a cutting template and instructions, streamlining setup.

Additional Context & Alternatives

While the product details cover many of your criteria, here’s what the web indicates:

• Classicmacher Extra-Large Dog Door: Another wall-mount option in black that supports pets up to 220 lbs, includes telescoping tunnel, aluminum frame, magnetic flaps, and sliding lock—available around ~$189.95 Best Deals USA.

• Sammak Extra-Large Dog Door for Wall: Matches your specs—aluminum frame, telescoping tunnel, magnetic flaps, sliding lock panels, up to 220 lbs, black color, and wall compatibility 4–8″ thick