Best Reverse Osmosis System Reviews

Best Reverse Osmosis Systems for clean filtered water

Best Reverse Osmosis Systems

As you research to find the right drinking water filtration system for your home, there are multiple options to consider. Ultimately, it comes down to what features and benefits are most important to you. Are you...

Below are five reverse osmosis water filter systems to consider. We provide the pros and cons for each system recommended. If you're still not sure which system is right for you, feel free to call us. Our support team is available Monday through Friday, 8 am to 5 pm Central Time.

Best Proven, Cost-Effective RO System

The Microline TFC-400 is a proven RO filtration system with a good brand reputation, great quality, and at a good price. This high-grade reverse osmosis system delivers up to 50 gallons of fresh, delicious water directly from your kitchen tap. Read the full review of the Microline TFC-400.

Pros of Microline TFC-400 RO System
Proven, Effective Filtration: High-quality components provide reliable water filtration.
Designer Faucet: The system comes with a designer chrome faucet.
Economically Priced: Offers excellent value for the price and low-cost filter replacements.
Space-Saving Design: Space-saving design is ideal for under-sink installation as it uses minimal space.
Connection Options: Comes with air-gap and non-air gap connection options.

Cons
Limited Storage Capacity: The 3.2 gallon tank may need to be refilled for a large family or frequent cooking needs.
Fewer Filtration Stages: The system includes four stages of filtration instead of five stages.
Lower Flow Rate: Water flows through 3/8" tubing to the faucet.
Required Maintenance: Filter housings should be cleaned at time of filter changes.

Best Water-Saving, Eco-Friendly RO System

The GRO-75 stands out as an eco-conscious and highly efficient reverse osmosis system, setting a new standard for water conservation in the industry. Its unique encapsulated RO membrane design minimizes wastewater by rinsing contaminants to the drain, achieving an impressive 50% recovery rate or a 1:1 wastewater ratio. Read the full review of the GRO-75 1:1 RO System

Pros of GRO-75 RO System
Conserves Water: RO recovery rate of 1:1 rather than the typical 4:1 waste water ratio.
Advanced Technology: Incorporates highly advanced thin layer composite (TLC) membrane technology for supreme water quality.
Plenty of Water: Produces up to 75 gallons per day of clean, healthy water for your household.
Effective Filtration: High-efficiency reverse osmosis technology removes up to 99.99% of 90 contaminants, including fluoride, heavy metals, chlorine, herbicides and more.

Cons
Fewer Filtration Stages: The system includes four stages of filtration instead of five stages.
System price: Initial cost is slightly higher than some other RO systems.

Like all RO systems, regular maintenance (e.g., filter replacement) is necessary to ensure optimal performance.


Best User-Friendly RO System for Simple Filter Changes

The PuROTwist 4000 stands out as a best-selling reverse osmosis water filtration system due to its user-friendly quick-connect filters. This point-of-use RO system employs a four-stage process, treating water at a rate of 50 gallons per day. The PuROTwist 4000 installation under the kitchen sink is straightforward and can be done by most DIY enthusiasts. With twist-off-and-on filter replacements, maintanance couldn't be easier. Read the full review of the PuROTwist 4000 RO System.

Pros of PuROTwist System
User Friendly: Filters are easy to replace with twist-off, quick-change filter design.
Plenty of Water: RO system comes with a standard 4.4 gallon storage tank, providing plenty of water for a large family or frequent cooking needs.
Outstanding Taste: Removes impurities such as sediment, lead, VOCs, chlorine and more for enhanced flavor of drinking water.
ANSI/NSF Standards: Filters conform to ANSI/NSF standards 58 for performance claims as verified and sustained by test data.

Cons
Faucet type: Comes with standard chrome faucet. When making purchase, must select air gap or non-air-gap faucet.
Fewer Filtration Stages: The system includes four stages of filtration instead of five stages.
Required Maintenance: Filter housings should be cleaned at time of filter changes.
Flow Rate: Water flows through 3/8" tubing to the faucet.

Best RO System for Compact, Space-Saving Design

Customers favor the Axeon Solo 1 All-in-One reverse osmosis filtration system for its space-efficient, compact design. If you're worried about an under-sink drinking water system occupying too much space, this system is the ideal choice for you. The Axeon Solo delivers an impressive 50 gallons of clean, delicious water daily for just pennies per gallon. Read the full review of the Axeon Solo RO System.

Pros of Axeon Solo RO System
Space-Saving Design: Compact design with 50 smaller footprint than most RO systems.
Advanced Technology: Incorporates highly advanced membrane technology for supreme water quality.
Higher Flow Rates: 30% higher flow to the faucet, and higher-flow RO membrane fills the tank faster.
Customizable: Optional remineralization cartridge available to balance water's pH.
Trusted Brand: Axeon Water Technologies has a reputation for producing reliable and high-quality water treatment products.

Cons
Fewer Filtration Stages: The system includes four stages of filtration instead of five stages.
Replacement price: Filter replacements are slightly higher priced than other RO systems.

Like all RO systems, regular maintenance (e.g., filter replacement) is necessary to ensure optimal performance.


Best Value for Quality RO System

The PureValue 5EZ50 offers excellent value for a quality reverse osmosis system, delivering delicious, fresh drinking water at the kitchen tap. This five-stage RO system can eliminate up to 99% of many contaminants commonly found in water, including lead, fluoride, chlorine, pesticides and more. Read the full review of the PureValue 5EZ50 RO System.

Pros of PureValue 5EZ50 RO System
Value for Price: Excellent value for high-quality RO system that produces outstanding water.
5 Stages of filtration: Incorporates five filtration stages for enhanced water quality.
Plenty of Water: Produces up to 50 gallons per day of clean, healthy water for household.
Effective Filtration: Removes up to 99.99% of dozens of contaminants, including fluoride, heavy metals, chlorine, herbicides and more.
Simple Installation: Easily installs under the kitchen sink.

Cons
Limited Water Production: 50 gallons per day of filtered drinking water might not be suitable for households with large families or frequent cooking needs.
Less eco-friendly: Is not designed for water conservation.
Maintenance Needs: Like all RO systems, regular maintenance (e.g., filter replacement) is necessary to ensure optimal performance.

Comparison of Top-Selling Reverse Osmosis Filter Systems
Microline TFC-400 GRO-75 1:1 PuROTwist 4000 Axeon Solo PureValue 5EZ50
Number of Stages
4 Stages
4 Stages
4 Stages
4 Stages
5 Stages
Air Gap or non-Air Gap
Comes with both
Non-Air Gap
Select either at purchase
Air Gap
Non-Air Gap
Gallon per day capacity
50 GPD
75 GPD
50 GPD
50 GPD
50 GPD
Tank Size
Compact 3.2 Gallon Tank
Standard 4.4 Gallon Tank
Standard 4.4 Gallon Tank
Standard 4.4 Gallon Tank
Standard 4.4 Gallon Tank
Faucet Type
Designer Chrome Faucet
Standard Chrome Faucet
Standard Chrome Faucet
Standard Chrome Faucet
Standard Chrome Faucet
Tubing Size to Faucet
3/8" Tubing
3/8" Tubing
3/8" Tubing
3/8" Tubing
1/4" Tubing

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