This is the water purifier. It kills 99.9% of microorgamanisms and effectively reduces all other contaminants like lead, mercury, disinfectants, pesticides etc. In areas where well water is the primary source of water, the ground is most probably contaminated.

It works by combining ultraviolet light technology with a carbon filter. The system can be easily installed under or above the kitchen counter top.

The article below is one from Business 2.0 magazine that sites the use of the above device. It was attached to a conventional mechanical water filter to improve the effectiveness of the treatment.