Perfect Pet Wall Kit for All Weather Dog Door, Super Large, for 4.75" to 7.25" Wall Thickness

The minimum cutout size required is: 16-1/4" w x 25-3/4"h | Note: wall studs are typically 16" on center so additional tools and materials may be required for this installation. | As with any home improvement project, if you do not have the tools or skills to properly install your pet door, we suggest using a professional handyperson or licensed contractor. | Comes complete with hardware and detailed instructions | For use with item number AWSL only.