The Grizzly is a bear of a door design. The large cutout in the bottom panel allows for plenty of airflow and visibility outside, especially for your four legged friends. The top section allows you to look out into the yard with ease. Fiberglass screen is included and other higher durability upgrades included pet resistant and copper screen. Storm panels are always an option and can be shipped with your door if you want energy efficient performance during the winter. Door sweeps and door stops with seals help you take it a step further. Call us today and we will help you get up and running on your new door project. It's that easy.