Camco's Standard RV Roof Vent Cover is designed to allow fresh air ventilation and light into your RV rain or shine. It offers high flow ventilation from an aerodynamic design and features a built-in insect screen. The vent cover can be easily installed by mounting it to an existing 14-inch x 14-inch roof vent. Includes outer dimensions of 19. 3-inches (front to back) x 19-inches (wide) x 8. 7-inches (tall). It is constructed of rugged, UV-stabilized resin with removable louvers for easy cleaning. Mounting hardware included. Made in the USA.