Ring of illumination. The Plaff-on! Wall / Flushmount by Marset is a simple, compact design that brings light to interior spaces without interfering with its aesthetics. Its cylindrical structure made of aluminum features an opening at the bottom and is mounted flush against the ceiling with a circular plate. A cylindrical glass diffuser within the outer frame uses halogen bulbs (not included) to deliver direct lighting. The light also filters upwards to create a soft halo on the ceiling or wall it's installed on.