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Cat Door Tunnel Extension
PetSafe Cat Door Tunnel Extension

Cat Door Tunnel Extension

Your Price: $9.95
Retail Price:$17.99
You Save:$8.04(45%)
Usually Ships Same or Next Business Day
Part Number:310US

Install your cat door in walls up to 4 inches thick and thin with this tunnel extension.

The extension is designed for PetSafe cat doors and adds an extra 1 7/8 inches for easy installation flush with the finish material on deeper interior walls. Two extensions are required for flush installation of exterior walls with sheathing and siding. Connect several together for even thicker applications.


  • Tunnel extension for PetSafe Cat Doors
  • Adds an extra 1-7/8 inches for flush installation in thicker walls and doors
  • Easy to install for quick setup in most walls
  • 2 extensions required (second sold separately) for installation in exterior walls with sheathing and siding
  • Connect several together for even thicker applications

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