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.