Ideal Pet Products Ruff-Weather Pet Door Wall Installation Kit For use with the Super Large Ruff Weather Door (pet door not included) Lets you install your Ideal Pet Products Ruff-Weather Pet Door into a wall 4-3/4" to 7-1/4" thickness Installs easily and securely Manufacturer Warranty does not apply to product purchased through Amazon Warehouse Deals Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!