Aqua Fresh 15ltr

RO+UV+UF+TDS ADJUSTER

This is generally found outside the main RO unit in a separate encasement.

It contains a microfilter or simply a micro spun (usually 5 microns) which acts as the first gateway and removes sediments or dust particles.

This means that the pre-filter needs to be changed frequently. The time period could range from 3 months to 6 months depending on the quality of water. It also increases the lifespan of the main membrane membrane separates dissolved particles or contaminants and water, making the water fit for consumption. Ultraviolet rays (UV): In the context of water purifier, UV helps to kill harmful germs such as bacteria and virus. Ultrafiltration (UF): UF membrane further removes larger suspended particles, bacteria, virus etc. Most water purifiers provide a combination of RO+UV+UF, some provide only RO+UV or only RO or only UF. If water TDS level is below 500, generally huge investment in water purifiers are not recommended. Simply boiling of water would be sufficient. With RO companies using jargons, it would confuse consumers and also you would be inclined to buy one with more features. Sediment pre-filter: This is generally found outside the main RO unit in a separate encasement. It contains a microfilter or RO/UF membrane: The water so far has been pre-treated and now enters the most important part of the RO filter, the RO membrane. This is where the main action takes place. The membrane separates dissolved particles, ions, and some minerals allowing only pure water to pass through. It is debatable whether RO removes metals such as lead, arsenic, etc. But more importantly, RO removes essential minerals. Hence, ROs are also fitted with extra cartridges which add back minerals thus making it potable.