The PetSafe Electronic SmartDoor Wall Extension Cat Tunnel is purr-fect for installing your feline companion's Large Electronic SmartDoor into a wall that is more than 2” thick. Each Extension Tunnel adds an additional 2¾ inches to her tunnel so you can paw-perly install your PetSafe Electronic SmartDoor without a hitch. These Extension Tunnels can be added to install the SmartDoor in walls or doors up to 7¼” thick.
- Seamlessly extend the length of fur baby's Large Electronic SmartDoor Wall Conversion Kit.
- Made to be purr-fectly compatible with the Large Electronic SmartDoor.
- Incom-paw-tible with the Small Electronic SmartDoor.
- It plays well with the Wall Conversion Kit (not included).
- Each extension is designed to add 2¾” of length to your feline companion's Large Electronic SmartDoor.
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