Viking Concealed Cover Plates Assembly Flat Pendent, Black, 165 °F (74 °C) Viking Mirage ELO Cover Plates are low-profile covers used with Viking Concealed Pendent Sprinklers for commercial and residential use. The covers are installed flush with the ceiling to provide a smooth appearance, and are available in several standard decorative finishes to meet design requirements. Viking Cover Plates may also be custom ordered with any color by any paint manufacturer.