Filtration systems through an automatically cleaning battery or self-cleaning filters Tap water does not always come from a public grid or clean waters, as it is extracted many times from pits, ponds and open air lakes. This kind of water may contain impurities (physical and chemical) that might bring diseases to your crops and also cause the clogging of irrigation emitters, such as sprinklers, micro sprinklers, drippers, etc. The choice of the filter types to be used will depend on the quality of the water, in other words, of the dimensions and the type of construction in suspension for each particular case, which usually is linked to the origin of the water. The filtration system is one of the most important elements in an irrigation system, since its purpose is to protect all the components of the irrigation system from possible clogs.