It consists of 3 stages:
The first stage: It consists of a polypropylene cotton candle that filters down to 5 microns and removes solid impurities such as sand and algae.
The second phase: It also consists of a cotton candle that ensures the removal of solid impurities.
third level: Made of thermally activated carbon steel, it works to remove dissolved gases and treat water from unwanted substances such as chlorine, taste and odor. With 1 micron pores, it works to remove the smallest impurities before the water enters the fourth stage.
Note : It does not contain any electrical parts.