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Wall Entry Pet Door Extension Tunnel 


starting at

$24.95 36.953 USD

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If you need to install your Wall Entry Pet Door into a thick wall, we’ve got just the accessory to help. The Wall Entry Pet Door Extension Tunnel comes in 3 sizes that correspond with the size of your pet door at home. Installing the wall extension tunnel with your pet door is simple, and helps the pet door properly fit into walls thicker than 7 1/4 in. Your pet deserves the best. Trust PetSafe® to keep your pet healthy, safe and happy. 


  • Use when installing your pet door into thicker walls 
  • Compatible with the Wall Entry Pet Door
  • Available in sizes small, medium and large
  • Tunnel dimensions:   Small fits walls 8 1/4 in - 10 3/4 in thick  Medium fits walls 8 1/4 in - 12 in thick  Large fits walls 8 1/4 in - 12 in thick 
  • Made of weather-resistant galvanized steel, powder coated for easy clean-up

More Information

This extension tunnel is compatible with newer models of the Wall Entry Aluminum Pet Door. If you have an older model of the Wall Entry Aluminum Pet Door or you're not sure which model you have, contact Customer Care to order a compatible wall extension tunnel.

The new model Wall Entry Aluminum Pet Door uses the Replacement Flap. The old model uses the Classic Replacement Flap. If you're not sure which version door you have, compare your door to the picture below. On the new model door:

  • The flap is secured with 3, 4, or 5 screws at the top of the flap frame.
  • The inner white frame is flat and nearly flush with the main brown frame, with no major grooves.
  • The bottom of the flap has a thin, black weather sweep without ridges.

System Includes

  • 1 Wall Extension Tunnel

Caution: Small children can pass through door. Read entire statement.