We depend on our public water treatment facilities and they do a good job supplying us with water, but they can't remove all the impurities naturally contained in it. Plus they add something that needs to be taken out.

It is chlorine, and it is necessary for them to keep it in, but it is not necessary for us to drink it. A drinking water filter system can help us to remove everything that is not needed.

An early application of chlorine was chemical warfare in World War I. Deployed as a gas, it combines with fluids in the lungs forming hydrochloric acid. With enough exposure, lungs simply dissolve. While quite frightening it was easily countered by the same type of filter as you'll find in the best drinking water filter system.

The effects of ingesting chlorine aren't as severe. Some get headaches and respiratory diseases, but it can also kill helpful digestive bacteria, causing any number of digestive problems.

A study was conducted by the research staff at the University of Wisconsin which stated that the chlorine in our water can cause cancer in some humans. Are you willing to be among the few? A drinking water filter system can help ensure that you do not have to go through the agony of insecurity.

Recently a chlorine immune strain of bacteria was discovered. We cannot let that bacteria just thumb its nose at us. We have to get rid of it from our drinking water by using our drinking water filter system. Then we don't need to worry about it anymore.

Herbicides and pesticides were created to kill weeds and bugs, so how can we be sure they will not harm us? They seep into our pipes though the ground and stay there until we remove them with our drinking water filter system. They are like pests themselves when they are in our water.

But for all the things a drinking water filter system needs to remove, there are things that need to remain. A few designs will remove healthy minerals and nutrients from the water they filter. Distillation is an older culprit, but the technique is mostly obsolete. A newer design which suffers from the same weakness is known as reverse osmosis, but the units are so expensive you'll never accidentally buy a real one.

It is an ancient world we live in, and there have been many attempts to make the perfect drinking water filter system. But the one we have now is perfection itself. We can get what we want from it. Maybe later it will be obsolete as new strains of viruses might develop. Till then our drinking water filter system is perfect. Now if only everyone would get one, it would make it a perfect world to live in.