• History Serpent 6 :

    • Efficiency rating
      774.23
      WN7
      956.94
      WN8
      734.61
    • Efficiency rating
      716.1
      WN7
      923.73
      WN8
      829.68
    • Efficiency rating
      762.2
      WN7
      1,057.69
      WN8
      1,090.04
    • Efficiency rating
      646.02
      WN7
      745.75
      WN8
      813.97
    • Efficiency rating
      714.49
      WN7
      853.76
      WN8
      943.75