Technical Features for PetSafe Cat Door Tunnel Extension
The Staywell 310US 300 series white tunnel extension is designed for the 300, 400, and 500 series cat flaps. It provides 1-7/8" tunnel extension. Two extensions are required for flush installation of exterior walls with sheathing and siding. Connect several together for even thicker applications. This extension is easy to install for quick setup in most walls.
- Staywell Cat Door Tunnel Extension
- Adds an extra 1-7/8" inches for flush installation
- Easy to install in most walls
- Connect several together for thicker applications
- 2 extensions required for installation in exterior walls
The Staywell 310US has many exciting features for users of all types. It's one of FactoryOutletStore's best selling Staywell Pet Doors. The Staywell 310US is sold as a Brand New Unopened Item.
Cat Door Tunnel Extension