PetSafe SmartDoor Connected Tunnel Extension - tunnel, extension for PetSafe SmartDoor Connected Pet Door Equipment The underside of the harness

The underside of the harness is lined with breathable air-mesh fabric that provides good ventilation

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ensuring comfort even in the hottest weather

Professional

PetSafe SmartDoor Connected Tunnel Extension - tunnel, extension for PetSafe SmartDoor Connected Pet Door Equipment The underside of the harnessPetSafe SmartDoor Connected Tunnel Extension is a helpful element for installing the PetSafe SmartDoor Connected Pet Door in very thick walls or doors. The tunnel should be placed in the opening between the inside and outside of the flap to ensure a secure, smooth finish for the space the pet moves through. It extends the tunnel built into the door by an additional 5cm. You can add single or multiple extensions. The edge of the tunnel should protrude