For wall installations, tunnel extenders can be stacked together to create a longer approach tunnel to the SureFlap Microchip Cat Door, the DualScan Microchip Cat Door or the Microchip Cat Door Connect when it is installed in a wall.
The Cat Door Tunnel Extender fits snugly onto the 70mm long tunnel of our cat doors. Each tunnel extender adds 50mm to the overall length of the tunnel.
Available in white or brown and now New colour Grey/white