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      Low Pressure Sodium lamp with improved efficacy


      Extremely high luminous efficacy makes these the most efficient light sources


      Uniform sodium distribution in the discharge tube by means of dimples for a more stable discharge, higher efficacy and better lumen maintenance and lamp life
      Special coating of SOX-E outer tube results in higher lamp efficacy than SOX
      Monochromatic yellow colour with non-existent colour rendering


      Road lighting, railway marshalling yards and crossings, airports, harbours and docks, quarries, foundries and rolling mills
      Security and orientation lighting

      Warning & Safety

      Lamps may use electronic or electromagnetic control gear
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