Masonite 76576 is a replacement insulated steel door weatherstrip system designed to fit 36-inch wide by 80-inch high and smaller doors. It includes a latch jamb compression weatherstrip, header jamb compression weatherstrip, hinge jamb compression weatherstrip, wedge latch jamb seal, and foam hinge jamb seal. The system is easy to install and can help to improve the energy efficiency of your home by reducing air leaks around the door. It can also help to reduce noise and dust infiltration.