The water filters

1.you can surf in these web sites for more information:
1.http//:www.aquadepot.com/water
2.http//;ww.wikipedia.org/wiki/filter water
3.http//:www.wikipedia.org/wiki/filter/water

2.These web site is very suitable for writing report.It describe about 6 filters.Type of filters is a :

1.Media,screen,slowsand filter beds,rapid sand filter and clothes filters.

Using in water filter is very importat this decade.The water are involved in pollution.we must take care because all of (from bacteria,protozoa,microbial)can cause disease.Please take a heritance in safe and goodlife.Our country need a good human and will be order in this world.