PetSafe Staywell, Deluxe Tunnel Extension, White, 47.75 mm, Easy Fitting

The PetSafe Deluxe Tunnel Extension provides a secure, accurate fit when installing your cat flap into thicker doors and walls. Adding an extra 0.75 mm the Deluxe Tunnel Extensions can easily clip together to fit any depth of wall. To avoid a difficult and fiddly installation, the tunnel extensions are constructed using flexible plastic, allowing them to go exactly where you place them first ti...