• Elevate your SmartDoor™ installation with these tunnel extensions.
• Compatible exclusively with the app-enabled SmartDoor™ Connected Pet Door.
• Available in both Medium and Large sizes for a perfect fit.
• Each extension increases tunnel depth by 2 inches.
• Ensures safe and clear access for your pets through thicker doors or walls.

The SmartDoor Connected Pet Door Tunnel Extensions provide an additional 2" of depth per section to accommodate thicker door and wall installations. Designed specifically for the SmartDoor Connected Pet Door, these stackable extensions create a smooth, protective lining for your pet's entryway.

Customizable Depth Expansion
Standard pet door frames often fall short when installing through exterior walls, metal doors over 1-3/4" thick, or non-metal doors exceeding 2-1/4". Each tunnel extension adds 2" of depth, allowing multiple sections to be stacked together to cleanly line deeper cutouts without complex tools.

Technical Specifications & Features:

• Precision Sizing: Available in Medium and Large sizes to match your SmartDoor Connected Pet Door.
• Modular 2" Extensions: Each section adds 2" of tunnel depth for tailored wall or deep door fitment.
• Multi-Surface Application: Recommended for metal doors thicker than 1-3/4", non-metal doors over 2-1/4", and full-wall cutouts.
• Tool-Free Setup: Interlocking extensions attach quickly without requiring extra tools or complex hardware.