SmartDoor Wall Entry Inner Extension

The PetSafe Tunnel Extension for the Large SmartDoor Pet Door allows you to expand your main wall tunnel from 7" to 9".

Features:

• Compatible with the Large Electronic SmartDoor (PPA11-10709)


• Each extension adds 2¾ inches.


• This tunnel must be used with the Wall Conversion Kit (not included).

• Size: Large


• Color: White