Water Filter System

A water filter system is an inexpensive and environmentally friendly alternative to using bottled water. It provides a continuous flow of filtered water in the home, and can also be used in a caravan or boat. There are small models that are designed for a single faucet, as well as larger models that can filter the water supply for an entire household. They are mostly made of plastic but the counter top models often have an attractive chrome finish. The filter canisters need to be changed after several months but they are cheap and easy to install.

Most people are fortunate enough to have good water quality where they live but some areas have water that looks, tastes and smells unpleasant. The goal of any water filter system is to produce water that is clear, tasteless and odorless. The filter should remove undissolved impurities such as silt, sediment, rust and sand. It should also remove dissolved impurities without removing beneficial elements, like fluoride. These dissolved impurities include chlorine, pesticides and heavy metals. The filter should also remove cysts, like cryptosporidium and giardia, along with bacteria and viruses that cause illness.

The single-stage model is the most common type of water filter system. It consists of a plastic housing and a cylindrical cartridge filled with micropore pads and activated carbon. The micropore pads remove the undissolved impurities, while the activated carbon absorbs the dissolved impurities. The cartridge acts as a barrier between the inlet and outlet valves, with water flowing through the cartridge in one direction only. As with all filters, there is a slight reduction in water flow but it is not very noticeable.

One type of single-stage water filter system is attached directly to the faucet. It is smaller than other filter types but is still much larger than the faucet, and this makes it looks bulky and unattractive. Its cartridge is also smaller and normally lasts for two months or two hundred gallons, whichever is reached first. A diversion valve allows the user to choose between filtered and unfiltered water. These filters are not as popular as the larger ones which last much longer and can be installed under the sink.

The most popular water filter system is the large single-stage model. Some are designed for installing under the sink, while others are attractive enough to be placed next to the faucet. These tall units have a small base that takes up very little space on the sink counter. The filter is connected to the faucet by a diversion valve and a small hose. The ten inch cartridge can filter five hundred gallons and should last for about six months. Most filters are made of white plastic but the more expensive models have have an attractive chrome finish. Some have a spout which comes in handy when the sink is full of dishes and the faucet is hard to reach.

The more advanced water filter systems have multiple stages and are designed for providing the whole house with filtered water. They are much larger than the single-stage filters and are usually installed next to the hot water heater. The simplest of these is the two-stage system which uses two canisters. The five-stage system uses several canisters to remove all impurities, and some even have a reservoir to improve the flow rate.

Before buying a water filter system, check the specifications to see which impurities it removes. Most filters are capable of removing the most common impurities but only the most expensive multi-stage filters remove all of them. It is also important to check the price and availability of replacement cartridges, and whether cheaper generic cartridges can be used with the filter. While these systems have a high initial cost, they are much cheaper than buying bottled water in the long term.

This Water Filter System Review is Written/Updated on Jul 27th, 2009 and filed under Home Appliances. Both comments and pings are currently closed.

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