Water filters for housing is best achieved by an in line filter. These filters are often inexpensive and available and any home improvement store.
The operation of a housing water filter is pretty simple. The pressure of the water coming forces the water through a filter and the filter collects impurities such as sediment and other impurities like iron. Over time the filter can become clogged and it must be changed occasionally. Water treated in this way tastes better and is healthier.
Multiple filters can be linked along the same waterline coming in to the house, in order to counter the various problems possible. Problems such as a poor taste can be eliminated by coconut fiber based filtered, or activated carbon, which works by having impurities cling to the high surface are of the filtration material. Materials absorbed by the filter are sequestered in the filter and it over time its efficiency lessens and must be changed periodically.
Chemical filters can be used in the same housing and can eliminate or reduce the presence of iron, oils, provide de-ionization, and also perform water softening duties. Simple filters consisting of cellulose or other inert materials can filter particulates and unsightly flakes, used early in the in line water filtration process it can help increase the efficiency of more complex chemical and taste improving filters.
Smaller versions of in line filters can supplement the house sized filters at the point of use such as refrigerators with attached ice makers. Aging infrastructure and housing stock in certain areas make water filters for the entire house a near requirement for tasty water.