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PetSafe Staywell Tunnel Extensions for Cat Door

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  • PetSafe Staywell Tunnel Extensions for Cat Door
PetSafe Staywell Tunnel Extension

Model: 310US

Availability : Out of stock

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Upgraded Warranty

Regular Price: $36.99

Our Price: $28.99


This extension tunnel can be used to add an extra 1 7/8" to the PetSafe Staywell Cat Doors. Multiple extensions may be locked together to create a tunnel through most walls or doors. Two extensions are generally required for exterior walls. 



  • Easy in Most Walls
  • Can be Chained for Thicker setups
  • See Specs for Detailed Information



  • Limited 1 Year Manufacturer Warranty
  • Adds an extra 1-7/8" inches for flush installation
  • Easy to install in most walls
  • Connect several together for thicker applications
  • 2 extensions required for installation in exterior walls

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