Rubix Flush 3 - 415x175mm Recessed pull-up luminaire, white powder coated steel body, individual cells with opal surround trim for precise optical control. Options: E3 - Emergency control gear ST3 - Emergency control gear self test AT3 - Emergency control gear DALI auto test S - Switch Dimming D - Digital Dimming (DSI) A - Digital Addressable Lighting Interface (DALI) C - Bi-Level Dimming (Corridor Function)* H - High Frequency Dimming (Analogue 1-10v) BL - Blue Cell Surround OR - Orange Cell Surround R - Red Cell Surround BK - Black Cell Surround