PetSafe Electronic Pet Door Wall Conversion Kit for Cats & Dogs

Easy Installation - Kit allows for easy installation of the PetSafe Electronic Pet Door in any interior or exterior wall up to 7 1/4" thick Telescoping Design - Telescoping design allows for quick installation by framing wall cut-out What's Inside - Kit includes exterior frame, tunnel, installation hardware, cutting template and detailed installation instructions Specifications - For installation in interior or exterior walls 4 3/4" to 7 1/4" thick; thicker walls require the Wall Tunnel Extension for the Electronic Pet Door, sold separately.