Petsafe Wall Entry Kit SmartDoor extension tunnel is designed to work with the PetSafe Electronic SmartDoor Wall Entry Conversion Kit to install the Large PetSafe Electronic SmartDoor into brick, concrete or other thick wall construction more than 7 1/4" thick. Do you not want your PetSafe Electronic SmartDoor installed in your front door or prefer it be installed in a more discreet location? No problem! With our Wall Entry Conversion Kit, you can easily install your Electronic SmartDoor in a wall instead. The coordinating kit frames the wall and has a telescoping design for easy installation.
Fits interior or exterior walls 4 3/4" to 7 1/4" thick.
Allows you to install your Small PetSafe Electronic SmartDoor? into an interior or exterior wall
Extends an additional 2 3/4"
Tunnel extension can be trimmed for extension less than 2 3/4"
Multiple extension tunnels can be stacked to extend through any wall thickness