the robbia full/half wall lamps from artemide were designed by ennio pasini in 1990. these stylish lamps feature a diffuser that is made from delicately etched white hand blown glass or white thermoformed impact resistant plexi-glass. side mounting fasteners come in black painted chromed steel. these lamps are wall mountable to a 4" octagonal junction box with horizontal center line 2.2" below the top of the lamp(half) and centered on the lamp (full), UL approved and ADA compliant.