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300 Series Tunnel Extension White


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If you are putting a pet door into a thicker door or wall, it usually requires a tunnel extension.

SKU: 310US. Categories: , .

This tunnel extension is designed for the Staywell 300, 400 and 500 series cat flaps. It adds an extra 1-7/8″ of depth, and you can combine more than one for even thicker walls and doors. Compatible With:

  • PPA00-11324, Magnetic Key Cat Door
  • PPA00-11325, 4-Way Locking Cat Door
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