Best Reverse Osmosis System Reviews

Best Reverse Osmosis Systems for clean filtered water

Best Reverse Osmosis Systems 2024

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.

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
75 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
Designer 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
comparison of top-selling RO filter systems

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.

Viqua VIQUA IHS22-D4 Integrated 12 GPM UV System with Sediment and Carbon with Lead Reduction Filters IHS22-D4-

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Pros of the TFC-400
✅ 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 of the TFC-400
❌ 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.

Viqua VIQUA IHS22-D4 Integrated 12 GPM UV System with Sediment and Carbon with Lead Reduction Filters IHS22-D4-

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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 of GRO-75 RO System
❌ 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 newly upgraded PuROTwist Reverse Osmosis system now features a high-efficiency 75 GPD RO membrane. This eco-friendly RO system sets the industry standard for water conservation with its innovative membrane design, achieving a 50% recovery rate or a 1:1 waste-water ratio.

The PuROTwist Reverse Osmosis water filter system offers the highest of quality and performance standards, high capacity output, and automatic shut-off. The user-friendly Twist Tap (Omnipure Q-Series) filters make maintenance a breeze—twist off the old filter and twist on the new one, with no tools, buckets, or mess required.

This 4-stage, point-of-use RO system can treat water at a rate of 75 gallons per day and includes a designer chrome air gap faucet with a kit to convert to a non-air gap faucet. The PuROTwist RO system conforms to ANSI/NSF standards 58 for performance claims as verified and sustained by test data. Review of the PuROTwist 4000 RO System.

Viqua VIQUA IHS22-D4 Integrated 12 GPM UV System with Sediment and Carbon with Lead Reduction Filters IHS22-D4-

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Pros of the PuROTwist System
✅ User Friendly: Filters are easy to replace with twist-off, quick-change filter design.
✅ Conserves Water: RO recovery rate of 1:1 rather than the typical 4:1 waste water ratio.
✅ Designer Faucet: The system comes with a designer chrome faucet.
✅ Plenty of Water: RO system is rated at 75 gallons per day and comes with a standard 4.4 gallon storage tank, providing plenty of water for a large family or frequent cooking needs.
✅ ANSI/NSF Standards: Conforms to ANSI/NSF standards 58 for performance claims as verified and sustained by test data.
✅ Outstanding Taste: Removes impurities such as sediment, lead, VOCs, chlorine and more for enhanced flavor of drinking water.

Cons of the PuROTwist System
❌ 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.

Viqua VIQUA IHS22-D4 Integrated 12 GPM UV System with Sediment and Carbon with Lead Reduction Filters IHS22-D4-

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 of Axeon Solo RO System
❌ 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.

Viqua VIQUA IHS22-D4 Integrated 12 GPM UV System with Sediment and Carbon with Lead Reduction Filters IHS22-D4-

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 of PureValue 5EZ50 RO System
❌ 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.

If you have any questions about the RO filtration systems outlined in this article, our support team is available Monday through Friday, 8 am to 5 pm Central Time. Call 469-521-9920. With a focus on efficiency, effectiveness, and ease of use, these recommended systems provide peace of mind by delivering high-quality, filtered water for drinking, cooking, and everyday use. Whether you're looking to remove impurities, improve taste, or reduce waste, investing in a quality reverse osmosis system is a smart choice for ensuring the health and well-being of your family. Explore our recommendations and take the first step towards enjoying cleaner, safer water straight from your tap.

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Interactive Quiz to Select Filter System

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