The NASL-RND is available in two, three, and four ft. diameters with a precision spun ceiling trim. May be installed in grid ceilings and plaster ceilings with a flange or trimless. The luminaire is uniformly illuminated with a white acrylic convex, concave or Satin Ice flat lens. The NASL-RND is recommended for applications in open spaces, airport concourses, schools, retail and offices.