PetSafeInstallation Adapter for Microchip Cat Flap, Glass Mounting Adapter, for Windows, Walls and Metal Doors, Brown, Pack of 1

Installation Adapter - Brown

Cat Mate 4 Way Locking Glass Fitting Cat Flap (Medium)

Sure Petcare SureFlap Microchip Cat Flap, RFID Collar Tags and Microchip Compatible, One-Button Control, Install in Doors, Windows and Walls, White, 4 x AA Batteries Required, Not Included