Wal-Lyter Fluorescent Wall Wash Lensed, Ceiling Recessed: Wal-Lyter is a high performance wall-washer that delivers an exceptionally even wash of light from the ceiling line to the floor line utilizing TT5 (Biax Type) compact fluorescent lamps. It is much more efficient and more cost effective than most incandescent units producing equivalent illumination. Wal-Lyter is ideal for highlighting merchandise displays, brightening the walls in offices illuminating with sharp cut-off parabolics and for many other wall lighting applications.