Rubini Suspended - 4200mm Suspended Bi-directional Linear Luminaire, Extruded aluminium housing in white with black baffles. Options: H - High Frequency Dimming (Analogue 1-10v) S - Digital Dimming Switch Dim A - Digital Addressable Lighting Interface (DALI) D - Digital Dimming DSI OP - Opal Diffuser MP - Microprism Diffuser WW - White Housing / White Baffle WB - White Housing / Black Baffle BB- Black Housing / Black Baffle BW- Black Housing / White Baffle WC - White Housing / Copper Baffle BC - Black Housing / Copper Baffle