Description

Install your Electronic SmartDoor in thicker walls with a Wall Extension Tunnel. The tunnel must be used with a Wall Conversion Kit (available separately). Each extension adds 2 3/4 inches to your tunnel. PetSafe brand is here to help you and your pet live happy together.
Extension tunnel used in conjunction with the PetSafe SmartDoor Wall Entry Kit for walls thicker than 7 1/4"
Extends an additional 2 3/4"
Tunnel extension can be trimmed for extension less than 2 3/4"
1 tunnel included – no hardware