... can be choose recessed and surfaced. Product Name: Recessed / Surfaced Louver Specifications: 1) Use for: construction project, office, hotel, deparment ... store and so on 2) Power: 1X20W, 1X30W,1X40W,2X20W,2X30W,2X40W,3X20W,3X30W,3X40W ... shape or V shape . 6)Packing: Standard export carton T8/T5 Recessed/Surfaced Grille lamps(Grid lamp/Louver fixture)