1st generation of Retro-Fit LED tubes So-called 1st generation Retro-Fit LED tubes were introduced on the market between 2005 and 2010, and not much attention was paid on quality or safety.
1. sukupolven Retro-Fit LED-valoputket tulivat markkinoille 2005–2010 välisenä aikana, eikä laatuun tai turvallisuuteen ollut kiinnitetty paljoa huomiota.