ME-VIS Recommends that you only use Genuine Replacement Lamp Assemblies purchased directly from Mitsubishi or a Mitsubishi Authorized Dealer or Mitsubishi Authorized Service Center. ME-VIS advises that replacement lamps obtained separately from the Lamp Cartridge and / or Lamp Assemblies obtained from unauthorized sellers may be incorrect for your television, may not fit or perform properly and may even damage your television. ME-VIS can not be responsible for the performance, reliability or safety of any replacement lamps that are obtained from unauthorized sources.