Osram POWERBALL HCI-T Metal halide lamp with ceramic technology for enclosed luminaires. Provides very high efficiency, good to excellent colour rendering and very good colour stability. UV values significantly below the maximum permitted thresholds to IEC 61167 thanks to UV filter. Suitable to use in shop interiors, windows, and arcades, foyers, reception areas, museums, exhibitions, trade fairs, factories and workshops. Approved only for use in enclosed luminaires. Outdoor applications only in suitable luminaires.