PetSafe - Electronic SmartDoor™ Wall Conversion Kit
The wall conversion kit for lets you install the Electronic SmartDoor in thick walls and doors. Theses products are intended for use in traditional framing and drywall construction (2x4 or 2x6). For brick installation, the outdoor cutout needs to accommodate the wall entry frame to be recessed into the brick. With this kit, your small SmartDoor can fit in walls up to 8 inches thick.
CatFlaps.co.uk is rated 4.69 stars by Reviews.co.uk based on 2733 merchant reviews