Most drinking water is derived from natural sources like rivers, springs, streams and lakes. However this water is often polluted with toxins from the atmosphere and the environment. However by using a purificadoras de agua , it is possible to obtain water of the desired purity. The technology used in the purificadoras de agua varies, for low cost water filters, it could just trap the debris and large particles, but for high tech purificadoras de agua which are used where high purity water is needed, like in food processing or medical applications, are more expensive. These purificadoras de agua or water purifiers use the latest technologies which have been developed by researchers for producing pure water.