Italian purification filter 3 stage from Atlas

Italian water purification filter from Ats consists of three stages / the first stage is the stage of the cotton filter and its function is to purify the water from impurities, rust and dust / the second stage is the stage of the granular carbon filter and its function is to remove chlorine and gases dissolved in the water / the third stage is the carbon filter Steel works as a confirmatory stage on the previous two stages, that is, it purifies water from impurities, rust and dust, and also works to absorb chlorine and dissolved gases from the water.