PetSafe SmartDoor Wall Entry Inner Extension Habitat Self-warming material radiates heat back

Self-warming material radiates heat back to your pet

as the pad is an electrical device

and pets with chronic conditions that require frequent collection as recommended by a vet

not included) and Operating and Training Guide

Dimensions: 48" x 48" x 12"

PetSafe SmartDoor Wall Entry Inner Extension Habitat Self-warming material radiates heat backThe PetSafe Tunnel Extension for the Large SmartDoor Pet Door allows you to expand your main wall tunnel from 7" to 9". Features: Compatible with the Large Electronic SmartDoor (PPA11 10709) Each extension adds 2' inches. This tunnel must be used with the Wall Conversion Kit (not included). Item Details: Size: Large Color: White