| Reverse Osmosis Systems |
Name of Reverse Osmosis System |
Popularity |
Price |
Dimensions (inches) |
Stages |
Reduction Features |
Additional Features |
 | Watts Premier RO-Pure 4-Stage Reverse Osmosis System |  | $213.99 | n/a | 1 - five micron sediment filter, 2 - five micron carbon block filter, 3 - RO membrane, 4 - high quality carbon filter | traps dirt, rust, and silt, reduces Chlorine and other materials that cause bad taste/odors, reduces total dissolved solids including Sodium, Lead, Arsenic, Percolate, Chromium, Copper, and Radium, removes cysts like Giardia and Cryptosporidium, reduces Nitrates and Nitrites | individually contained filters, easy to install, filters change out at the push of a button, filters snap into place, minimum incoming water pressure of 40 psi, includes a 3-gallon storage tank, can filter 50 gallons a day |
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Pros: Many reviewers praise the quality of water this system produces.
Cons: Some reviews complain about the manual being outdated.
Ideal for: Individuals who are interested in a reverse osmosis system for their drinking water.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | Watts WP5-50 Premier Five-Stage Manifold Reverse Osmosis Water Treatment | | $199.94 | 5 x 16 x 16.5 | 1 - five micron sediment filter, 2 - five micron carbon block filter, 3 - another five micron carbon block filter, 4 - RO membrane, 5 - high quality GAC filter | traps particles like dirt, rust, and silt, reduces Chlorine and Chloramines that cause bad taste/odor, removes Arsenic, Lead, Perchlorate, Chromium, Copper, total dissolved solids, Sodium, and other contaminants, removes parasitic cysts like Giardia and Cryptosphoridium | 3-year limited warranty, NSF tested and certified, includes a 3-gallon storage tank, faucet assembly, parts bag, and manual, can filter 50 gallons a day |
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Pros: Some reviews praise the straight forward installation of this system.
Cons: Some reviewers complained about the loud noise level of this system.
Ideal for: Consumers who are interested in a 5-stage reverse osmosis system for their water.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | Watts Premier 531130 Filter-Pure UF-3 3-Stage Water Filtration System | | $134.99 | 9 x 3.5 x 14 | 1 - five micron sediment filter, 2 - one micron carbon block filter, 3 - UF Hollow Fiber Technology membrane | reduces Cryptosphoridia, Giardia, Entamoeba, Toxoplasma, Lead, herbicides, pesticides, disinfection byproducts, gas additives, chemicals, Chlorine, sediment, sand, silt, rust, etc. | valve-in head shuts water off automatically for easy filter changes, high end ceramic value Euro style faucet, WQA certified to NSF/ANSI standard 42 and 53, filters are changed with the push of a button |
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Pros: This 3-stage reverse osmosis system can help reduce harmful chemicals and improve the taste of your water.
Cons: Some reviewers had a hard time following the instructions.
Ideal for: Individuals who are looking for a reasonably priced reverse osmosis system.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | 5 Stage Reverse Osmosis Water Filter System With Storage Tank Removes Fluoride |  | $146.69 | 18 x 16 x 6 | 1 - five micron sediment pre-filtration, 2 - granular activated carbon pre-treatment filter, 3 - activated carbon block, 4 - thin film composite RO membrane, 5 - activated in line carbon post-filtration | removes bad tastes, odors, Chlorine, Barium, Cadmium, Chromium, Lead, Mercury, and other heavy metals, as well as Giardia and Cryptosporidium cysts | chrome, long-reach, lead-free faucet, NSF listed storage tank, automatic shut-off valve eliminates waste by closing the feed line when the tank is full, 1-year warranty |
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Pros: This system has an automatic shut-off valve to help eliminate waste.
Cons: This system may waste filtered water that does not make it to your faucet.
Ideal for: Anyone interested in a moderately priced reverse osmosis system for their home.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | Kenmore Reverse Osmosis Drinking Water System | | $139.99 | 15 x 15 | 1 - pre-filter, 2 - RO filter, 3 - post-filter | reduces the levels of Lead, Nitrates, Cryptosporidium, Giardia, other cysts, Arsenic, Sodium, and other contaminants in unfiltered tap water | 1-year full warranty, 4-gallon storage tank, NSF certified, faucet provides filter change notification, faucet tightens from above to make installation easy |
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Pros: Several reviewers praised the taste of the water produced by this system.
Cons: Some reviewers had issues with the water leaking onto the floor or into the battery.
Ideal for: Individuals who are interested in purchasing a competitively priced reverse osmosis system to improve the quality of their drinking water.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | Kenmore Elite Premiere Reverse Osmosis Drinking Water System | | $199.99 | 18 x 16 | 1 - pre-filter, 2 - RO filter, 3 - post-filter | reduces Lead, Nitrates, Arsenic, Sodium, Cryptosporidium, Giardia, and other contaminants | 1-year full warranty, electronically-monitored system tracks quality of water and provides filter change notification, faucet tightens from above to make installations easy, 4-gallon storage tank, NSF certified |
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Pros: This system comes with a full 1-year warranty and some reviews praise the easy installation process.
Cons: Some reviewers were unsatisfied with the size of the storage tank.
Ideal for: Consumers looking for a 3-step reverse osmosis system to improve the taste and quality of their drinking water.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | Tap Master TMAFC Artesian Full Contact Reverse Osmosis Under Counter Water Filtration System |  | $419.95 | n/a | 7 stages of filtration, purifications, and enhancement | removes up to 98% of chemicals like Chlorine, heavy metals, sediment, dissolved solids, pharmaceuticals, and other contaminants | filters can last for 2,500 gallons or 1 year, faucet fills your cup twice as fast as standard RO systems, filter element and filter housing are all-in-one for easy annual changes, adds good minerals like Calcium and Magnesium, 5-year limited warranty |
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Pros: This system has 7 stages of filtration, purifications, and enhancement to give you quality water with Calcium and Magnesium.
Cons: It is more expensive than some other models.
Ideal for: Anyone who wants to invest in a reverse osmosis system that features 7 stages of filtration, etc.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | GE Reverse Osmosis Filtration System | | $147 | 17.25 x 16 x 20.5 | 3 stages | reduces up to 99% of contaminants like Arsenic, Lead, Ammonia, Copper, Sodium, and cysts | 1-year limited warranty, filter change indicator, includes installation kit, NSF listed, filters up to 11 gallons a day, under-sink installation, reuses water's natural pressure as it flows through the system, valve offers 1 gpm water flow at 125 psi drop |
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Pros: Many reviews compliment the taste of the water produced by this system.
Cons: The 1-year warranty on this model is limited and may not cover all problems.
Ideal for: Individuals who are interested in a 3-stage reverse osmosis system for under $200.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | GE Profile Reverse Osmosis Water Filtration System | | $279 | 3.75 x 10.75 x 10.5 | 3 stages | produces safe, clean, and odor-free drinking water | faucet included, automatic shutoff, installation kit included, 1-year limited warranty, filter change indicator, 40-120 psi feed water pressure, 11+ gallons per day, tool-free, twist-and-lock design, NSF certified |
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Pros: This reverse osmosis system has a slim design for an easier installation.
Cons: Some reviews complained that this filter does not remove fluoride.
Ideal for: Anyone who wants safe, clean, and odor-free drinking water from a reverse osmosis filtration system.
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| | Name of Reverse Osmosis System | Popularity | Price | Dimensions (inches) | Stages | Reduction Features | Additional Features |
 | iSpring 75GPD 5-Stage Under-Counter Reverse Osmosis RO Water Filter with Clear Housing | | $135.99 | 15 x 8 x 18 | 1 - five micron high-capacity polypropylene sediment filter, 2 - GAC carbon filter, 3 - CTO carbon filter, 4 - high rejection 75GPD TFC RO membrane, 5 - total polishing inline carbon 10" | removes inorganic and organic particles such as Aluminum, Arsenic, Fluoride, total dissolved solids, Zinc, Silver, Nitrate, Iron, Lead, Herbicides, Chloroform, Chlorine, Sodium, Tannic Acids, Pesticides, Potassium, etc. | goose neck faucet included, purifies 75 gallons of water per day, no electricity required, includes all filters, tank, and 4-color tubing, housing is clear, free tech support, 1-year limited warranty |
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Pros: This system removes a large variety of both inorganic and organic particles to improve the safety and quality of your water.
Cons: A couple reviews state that this model leaks.
Ideal for: Consumers who need a 5-stage reverse osmosis system to improve their drinking water.
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