- Fits the PetSafe Magnetic Key Cat Door and PetSafe 4-Way Locking Cat Door for installation in interior or exterior doors and walls thicker than 2 1/8"
- Each tunnel measures 1 7/8" thick and is stackable so multiple tunnels can be added together for any wall thickness
- White tunnel made from durable, high-impact plastic
- 1 tunnel included
- Call, chat or email with our expert US-based customer care specialists six days a week; they are waiting to assist you and your pet with your product needs
- PetSafe Brand is an industry leading US manufacturer of pet behavior, containment, and lifestyle products since 1991, helping millions of people and pets each year
- Manufacturer warranty will not apply. Please review ’s return policy, which usually offers free returns within 30 days of receipt.
See more product details If you are putting a pet door into a thicker door or wall, it usually requires a tunnel extension.
PetSafe Wall Tunnel Extension for 4 Way Locking and Magnetic Key Cat Doors White B000PA3HUK