SureFlap Pet Door tunnel extenders can be used to create a longer approach tunnel to the SureFlap Microchip Pet Door when it is installed in a wall instead of a door.
- Manufactured to be strong, safe, and energy efficient
- Features superior draft control
The SureFlap Tunnel Extender Pet Door is manufactured to be strong, safe, and energy efficient. Each tunnel extender adds 2 inches to the length of the tunnel, stack them to your desired tunnel length to get you through any wall