2) Heavy MetalsTraces of heavy metals like Lead and Asbestos can frequently be found in our water. These metals are mostly added into the water due to the industrial wastes being dumped into our water sources like rivers and lakes. The metals from pipes in the water distribution network also add to Commercial water dispenser. These metals are especially harmful for children and can hamper their physical and mental growth. The good news is - most purifiers can handle these dangerous contaminants too without any problem.3) Dangerous ChemicalsThis is the category of contaminants that separates the boys from the men - so to speak. With the number of chemicals in our water increasing at a rapid rate - the old technologies have not been able to keep pace with them. So the pesticides and fertilizer traces, pharmaceutical drugs, hormones, soaps and shampoos - they all pose a serious health risk that the older Distillers and Reverse Osmosis filters cannot handle. Only a good multi stage water filter filter can handle these chemicals and produce 99% pure water.Apart from the School water filtration system , another factor to be considered is the mineral content of the water. Water in nature contains many minerals inside like Calcium, Sodium and Magnesium - which are needed by our body to keep running smoothly. Purifiers like Distillers and RO filters remove these minerals from the water. Drinking the resultant de-mineralized water can cause mineral deficiencies in the body and lead to health problems down the line.Multi stage purifiers score over the other purifiers here also as they do not remove the essential minerals from the water.Now that you have this information, you can make an intelligent choice as to the right water filter filter for your home. To know about a high quality line of filters that can do all this and more - visit my website now. YSJ-3WC Commercial water ...Read MoreHere one thing we need to remember that since you will be drinking the water and connecting the reverse osmosis water filter system to your water pipes, you do not want to worry about poorly designed systems that may give impure water, break down often, and even flooding your home. So, it is important to ask questions about the quality of the materials used, the workmanship, and warranty. At this point, most of the people are suggesting reverse osmosis water filters, which are made in India.Please make sure that Reverse Osmosis system is easy to do, because changing the filters yourself will save you more and more money in the long run. Also, you need to change filter carbons for every 12 months to get purified water and not too short like four to six months. The water flier size should be industry standard size, so you can get them anywhere. After that you need to consider about the price range, generally, these RO water purifiers will be available at below 350$. If any water filter available less than that it will be treated as lesser quality. Obviously, these filters will get the frequent problems and shorter life span. Non-India made RO systems, which are available at lower prices, the components that crack and leak easily under pressure and over time.If you want to know more, you can click http://www.gemeiwaterpurifier.com .