Water is the major constituent of your body and it forms 50 percent to 60 percent of your body weight. That is why it is important that you make sure that you are drinking nothing but clean water. The best water filters will help you make sure that your body is taking in only clean and pure water.
Industrial contamination has made it impossible for humans to have natural, clean water. That is why you need the best water filters that are capable of restoring the water’s natural state.

Types of Water Filters: The best water filters are available in various types. The most common types you can find on the market are: 

Ceramic filters – fit a normal bench top filter. The main element of this filter is diatomaceous earth which is a fossil substance that is made up of tiny silicon shells. This filter trap a bacteria with a particle size as low as .22 of a micron. 
Reverse Osmosis filters – the process involves drawing water through an extremely fine membrane which acts like a fine filter to give you drinkable water from salty water. To find the best reverse osmosis system, you have to know how systems work and what your expected of it.

Charcoal filters – come in carbon block and activated silver impregnated charcoal type.

Electrolyzed Alkaline filters – may be attached to your kitchen tap or installed under the sink.

A Glimpse of Some of the Best Water Filters on the Market:

Smooth and delicious bottled water is never a problem with the Home Master Reverse Osmosis Water Filtration System. This system uses filters built into filter housing for easy and quick annual filter replacement. It has advanced long lasting filters with 3,900 gallons or a year between filter changes. It is capable of removing up to 98 percent of chemicals, lead, sediments, heavy metals and other contaminants. It also has fast drinking water flow rate from your faucet. It is capable of numerous mounting positions and has the following dimensions—16 inches high by 8 inches wide by 5 inches deep for the purification unit and 15 inches high by 11 inches diameter for the reserve tank. 

Maximum water filtration and longer filter life are some of the advantages of The Home Master Water Filter. This whole house system provides stronger tap water pressure and has reduced maintenance frequency. Other features are dual gradient density replaceable sediment filter for finer filtration and greater dirt holding capacity, replaceable carbon filter with 100,000 gallon capacity and excellent purification. These purifiers are designed with your comfort and convenience in mind, featuring oversized filters, housings and fittings to provide you with clean water to every sink and shower and in any residential and commercial applications. 

Amana Refrigerator Water Filter, 2 Pack, retailing under model number WF401P at homedepot.com for only $69.96, has the ability to retain the beneficial fluoride in water. This NSF Certified Refrigerator Water Filter may help reduce cysts, chlorine odor and taste, lead and particulates. You can replace the filter cartridges every 6 months to ensure that you have continuous clean water in your rv or home.

Searching for a portable filter that you can bring camping or at any outdoor activity? Consider Filtrete Water Station Water Filtration System. The unit quickly filters tap water directly into four 1.9 ounces of bottles to reduce sediment, chlorine taste and odor. The bottles are dishwasher safe and have leak-proof caps. The complete set also comes with a docking station and lid. You can save as much as 3,000 bottles of water per year using this system. Check out this unit under model number WS01-WH at homedepot.com. Sells for only $31.98.
Prices for the best water filters vary by prices and suppliers so take your time finding the one that gives you the best features.

Source: http://waterfiltersystemguide.com