Best Portable Reverse Osmosis System

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If living in a hotel, traveling or staying in some place temporarily, investing in a reverse osmosis system that requires installation makes no sense.

That is why you need to get a portable reverse osmosis system.

A portable reverse osmosis system is precisely what it sounds like – an RO system that you can easily carry around.

Portable reverse osmosis systems are easy to install as they do not have permanent connections to a water source.

In this guide, we’ve reviewed the best portable reverse osmosis systems to help you get the right system for your needs.

Best Portable Reverse Osmosis System

Best Portable Reverse Osmosis System: Comparison Chart

BrandAPEC RO CTOP-CBluevua
Universal 5-Stage DI  0PPMExpress Water EZRO5
Price on AmazonPrice on AmazonPrice on AmazonPrice on Amazon
Dimensions (inches)15.5 x 6.5 x 6.514.1 x 17 x 1814 x 7 x 713.25 x 6.5 x 14
Weight (pounds)1026.31511.58
Water filtration stages  4  4  5  4
Water flow rate90 GPD100 GPD75 GPD3.73 liters per hour
Pure-to-waste water ratio  1:2  2:1  1:3  1:2
Feed pressure40 – 80 psi  –  –40 – 85 psi
CertificationWQA certifiedNSF/ANSI 58, SGS and TUV certifiedMost parts are NSF certifiedNSF/ANSI 58 certified
Warranty1-year warranty1-year warranty and 30-day money-back guarantee1-year warranty1-year limited warranty

1. APEC RO-CTOP-C Reverse Osmosis System

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APEC is one of the industry’s leading water filtration companies and makes top-quality products. Their systems offer superior filtration performance, and the RO-CTOP-C is no exception.

The system is lightweight and specifically made to offer convenience, ease of use and portability.

It provides healthy drinking water and can produce up to 90 gallons daily.

Some of the key features that the RO-CTOP-C one of the best portable RO systems include:

US-made high-capacity filters

The model boasts super high-capacity filters that filter up to 99% water contaminants.

They include a quick-connect 5-micron sediment pre-filter, coconut shell activated coconut pre-filter, FILMTEC high rejection TFC reverse membrane, and a coconut shell activated carbon post-filter.

These filters filter the water progressively in 4 stages removing sediment, chlorine, odors, arsenic, lead, fluoride, chromium and 1,000+ more.

Easy transport

The RO-CTOP-C is compact and lightweight hence easy to pack and transport. It is, therefore, ideal for use in mobile homes, RVs, retirement homes, condos or college dorms.

Easy DIY Installation

This model is designed with simple installation in mind. It is equally easy to maintain, thanks to the John Guest quick-connect fitting, which enables quick filter changes.

Additionally, the included faucet adapters connect to standard faucets with little effort.


The system is WQA certified to provide pure water.


  • Produces 90 GPD
  • Installation free
  • Comes with a classy aluminum case
  • Compact and lightweight
  • Has long-lasting filters


  • Connects to standard faucets only

2. Bleuvua RO100ROPOT Reverse Osmosis System

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Founded in 2021, Bluevua’s goal is to make pure hydration fit your lifestyle. They make unique products from functional and aesthetic standpoints to fulfill your needs, and the R100ROPOT is no exception.

The system filters water in 4 stages and can remove up to 99.9% of contaminants in your water.

It is incredibly fast (100 GPD), efficient, and takes only 5 minutes to fill a jar of water. With a purified-to-waste water ratio of 2:1, the model is 600% more than conventional RO systems.

Other key features that make the ROPOT a great deal include:

Intelligent filter life reminder

With the system, you will never have to worry about missing a filter change, as the filter life indicator will remind you to do so.

Power saving

This unit automatically goes to a power-saving mode when not in use to minimize power consumption.

Additionally, the water leftover from a filtration cycle is not immediately deemed waste and can be saved for a variety of household uses.

Borosilicate glass water container

The system’s water container is made from a high-quality borosilicate glass carafe and not plastic. It reduces the risk of secondary pollution.

No plumbing or installation

The ROTOP requires zero plumbing and installation. All you need to do is plug the portable unit into a power source, and you are ready to go.


  • Rapid water delivery
  • High borosilicate glass carafe
  • Requires zero installation
  • Real-time TDS  monitoring
  • Comes in a portable size
  • SGS and TUV certified
  • Backed by a 1-year limited manufacturer warranty


  • Pricey replacement filters
  • A little bulky

Best RO system with remineralization
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3. Universal 5-stage DI 0PPM RO System

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The DI 0PPM is a portable reverse osmosis system ideal for tiny apartments, RVs, condos or college dorms. You can also take it with you when traveling.

The system filters water in 5 stages and can produce up to 75 gallons daily. It can instantly transform your tap water into healthy, ultra-pure drinking water.

It requires zero plumbing

If you are worried about your DIY skills, you don’t need to. This unit requires zero installation, and you can have it running in 60 seconds.

Superb filtration performance

As aforementioned, this unit filters water in 5 stages and removes more than 600 contaminants.

In the 1st stage, a premium quick-connect 5-micron sediment filter removes dust, rust and other large particles in the water.

A premium quick-connect T28 coconut-activated carbon filter removes VOCs, chlorine, offensive odors, cloudiness and colors in stage 2.

In the 3rd stage, a premium high-rejection TFC reverse osmosis membrane eliminates TDS and heavy metals like lead from the water.

A deionizing mixed bed polishing filter helps produce high-quality water in stage 4.

And finally, in the 5th stage, a premium coconut T33 filter removes any lingering tastes and odors in the water to produce great-tasting water.


The DI 0PPM is light, compact, portable and easy to disconnect when not in use. It fits together neatly for easy transportation.


  • Super easy to install
  • Removes more than 600 contaminants
  • Produces great-tasting water
  • Easy filter replacement


  • Wastes a lot of water

4. Express Water EZRO5 Reverse Osmosis System

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Express Water reverse osmosis systems offer the highest impurity reduction rate to ensure you get the cleanest water and best value in filtration.

Their units are made from high-quality materials to last for the longest time possible, and the EZRO5 is no exception.

The countertop RO system produces up to 3.78 liters of water per hour and has a filtered-to-waste water ratio of 1:2.

Some of the key features that make the EZRO5 one of the best portable reverse osmosis systems include:

4-stage water filters

The system filters include a sediment filter, granular carbon filter, RO membrane, and post-activated carbon filter.

Progressively, these filters remove up to 99.9% of major contaminants in water, including dirt, dust, chlorine, VOCs, lead, arsenic, fluoride, nitrates, chromium and radium, among others.

Quick setup

The EZRO5 is easy to set up. In fact, you don’t require tools to complete the project.

Easy filter swap

Filter replacements are easy with a simple design and clear labels. The labels help you to know what goes where at a simple glance.

Sediment, granular activated carbon and post-activated filters require replacing twice a year. The RO membrane is replaced once a year only.

Independently tested

The system is certified by an independent laboratory to NSF/ANSI standard 58 for the reduction of TDS, chlorine taste, emerging compounds and more.


  • Easy to install
  • Highly efficient and effective
  • Easy to extend with a hose
  • Reasonably priced
  • Well-detailed instruction manual


  • Slow water flow
  • Not compatible with sprayer faucets


If you are always on the go or living in an apartment where the landlord does not allow the installation of an RO system, getting a portable unit is the best option.

These units are easy to set up as they don’t require permanent plumbing. They are also compact and easy to move from one position to another.

Our list contains 4 of the best portable reverse osmosis systems today. We hope that you find one that fits your needs. All the best.

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Dr. Peter Gleick

Dr. Peter Gleick is an experienced water filtration engineer and technical writer for He is an expert in water purification and filtration, focusing on helping people get clean, safe, and healthy water for domestic use. He has more than 10 years of writing experience and has numerously contributed to leading publications in this field.

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