A softly translucent, concave dome complemented by a flangeless lens trim and a minimal 3/8inch ceiling trim flange, Magellan appears to be a floating circle of light. With four standard sizes and a variety of custom colors, it entices the imagination and inspires creativity.Magellan is suitable for lay in or sheetrock ceilings; fixtures must be installed before the sheetrock ceiling. Standard sizes are 12, 24, 36 and 48 inches in diameter. Consult factory for other sizes and for surface and pendant applications.