The idea of filtering water has become more and more common in recent years. Many people prefer to filter water at home, rather than use bottles of water, because of the waste that the bottles produce. If you need the model number 4396547 filter, visit this site. Filtersfast has a wide varietyof filters available and offers fast shipping. Water can be purified by a variety of different kinds of water filters, for drinking or for other purposes. Filtration is an important factor in taste, clarity and safety, so it is a vital step in many waste water and drinking water treatment processes.