The Lowell VRG-LUH15TX paging horn with vandal-resistant grille assembly features a cast aluminum grille with a secondary galvanized steel perforation mounted to a Unihorn® with weather-resistant housing. It's made for paging and general voice communications (25V, 70V, 100V or 8ohm) and is ideal for 25V school intercom systems or applications where vandalism is a concern.