Whole House Water Filters - Water Filtration The physics of water filters is based on sieving, adsorption, ion exchanges and other processes. Filter can remove particles much smaller than the holes through which the water passes http://www.waterpurificationmeth... ID: 20674 | Rank: 6542 | Votes: 1.00 | Views: 803 | Submitted: 2008-10-20 |