Water is essential for life and the human body is large made up of water. Water replaces lost body fluids and promotes cell metabolism and other vital functions. In fact every adult should consume around 8-10 glasses of water every day. This need would vary depending on size, weight, and health conditions. Children need more water and fluids than adults.

Clean water prevents ailments and diseases. In industrial environments clean water prevents contamination of process. World wide water filtration systems are in use to ensure that clean water is available for human consumption. Filtered water is used not just for cooking and drinking but for bathing purposes as well.

Drinking water comes from various different sources: wells, rivers, lakes, ponds, springs, rain, snow and so forth. Natural water can be hard or soft and contain many pollutants from the environment.Very often the water gets contaminated by bacteria, viruses, organic and inorganic substances. Contaminants in water include: taste and odor causing contaminants, rust and sediments, bacteria, parasites, lead, and other chemical poisons. And these could cause diseases. To ensure that water is clean for domestic or industrial use water filters are used.

1. Water filters remove dust particles from water.
2. Filtration also ensures that contaminants like fungi, cryptosporidium and protozoa gardia are removed from the water.
3. Filters are designed such that they remove harmful substances like lead from drinking water.
4. Bacterial and viral contaminations are also removed. Often water contamination is the source of wide spread gastrointestinal diseases.
5. The filtration process effectively removes excess chlorine, its byproducts, and volatile organic compounds from water.
6. Filtration however does not remove trace minerals contained in water that are essential for health. Most water filtration systems encourage adsorption.

Among all water purification systems filtration is the least expensive and does not require huge amounts of electricity. Filtration is efficient and does not waste water. There are many kinds of filters: whole house filters; under sink filters; faucet mounted filters; countertop or canister filters and so on.

The World Wide Web has immense information on water and filtration systems. You can read articles and tips on water filtration and view the various options available online at websites that are solely devoted to water filters for domestic and industrial use. Always comparison shop and compare product efficacies as well as price. The internet brings you the convenience of being able to buy a water filter for your home, office, or factory from your computer.