The Monorail Adapter for Thermo Panels made by PetDoors is the perfect way to extend the reach of your thermo panels. This adapter is easy to install and provides a secure and reliable connection for your thermo panels. The sturdy construction and rust-resistant finish make this adapter a must-have for any pet door installation. With the Monorail Adapter from PetDoors, you can be sure that your thermo panels will stay securely in place, making it easier