The energy saving bulb is also a type of Fluo tube. They are a good replacement for incandescent bulbs because they consume less electricity than ordinary light bulbs for the same amount of light, they last longer, but they also contain mercury, so due to the incorrect potential due to improper disposal of the moguls.

Energy-saving light bulbs use 50 to 90 percent less energy than ordinary light bulbs, last an average of four years and a energy-saving light bulb will save almost 500 kuna through four years of operation!