Skydome is an excellent choice for open public spaces such as airport concourses, large lobbies, reception areas and meeting rooms. Comes in 2, 3 and 4 feet diameter recessed direct fluorescent with frosted acrylic lens. Lens options include concave, convex, or high performance flat. Frosted acrylic lens provides smooth distribution and eliminates lamp image. Universal ceiling trim rings are suitable for both grid and drywall applications.