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10 Best Countertop Reverse Osmosis Water Filters Reviewed (2023)

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Tim Rhodes

Water is one of the most basic necessities in our daily lives as one can’t do without it, and one of the best sources of drinking water is a countertop reverse osmosis water filter.

When out jogging, in the gym, exercising or taking a stroll you sweat and the need to replace the lost water in the body comes in the form of thirst.

Water quenches your thirst but the exposure of our tap water to harmful chemicals like lead has made it undrinkable.

Today’s industries are releasing toxic chemicals like Sulphur dioxide and Nitrogen oxide, which get into the atmosphere and form acidic rain which drains into our rivers and pollutes them.

Hence the need to purify the water we consume by using the modern technology Reverse Osmosis Water Filtration System.


10 Best Countertop Reverse Osmosis Water Filters

Here is the 10 Best Countertop Reverse Osmosis Water Filters one can choose from.

1. APEC Water Systems RO-CTOP

APEC Water Systems RO-CTOP-C Portable Countertop Reverse Osmosis Water Filter System with Case,...

We’ve got to start with the top rated portable and easy to use, one of the best countertops reverse osmosis water filter systems.

APEC Water Systems RO-CTOP uses a four stage reverse osmosis filtration that is crafted with components that are a hundred percent free from BPA.

All its filters are NSF certified and easy to change by twisting and they snap into place, no sweat at all.

A very effortless and minimal installation setup that requires no assembly.

The four stage reverse osmosis filtration has the amenability to eradicate 99% of impurities which include:

5 micron sediment filter in the first stage ensures that rust and dust particles are eliminated.

The second stage uses carbon filters to remove chemicals like chloride, Lead, Arsenic, Barium among other pollutants.

The most critical stage using RO membrane to remove 99% of a thousand pollutants.

The fourth stage sees the integration of coconut carbon which removes bad taste and odor giving your water a crisp favorable taste.

Owning APEC Water System ensures that you have a reverse osmosis water filter system within your reach as all elements are made in the USA.

Finally, we unearth the one reason why APEC stays top rated in the markets.

It touches people’s hearts by donating a considerable amount of its proceedings and products to the less fortunate across the globe.

Pros & Benefits:

  • Components are NSF certified (BPA-Free)
  • Minimal installation, no plumbing installation or assembly
  • Has a four stage filtration system
  • Works with any system with a water pressure rated 40-80 psi

Check Price and Reviews on Amazon


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Frizz Life is a super convenient Reverse Osmosis system that you can put anywhere you want, in the kitchen, office and even the bedroom.

If you’re looking for smart technology this Frizzlife Reverse Osmosis System is the right product for you.

You’re always on the go and you need everyone and everything to keep up with your active lifestyle, this little device is the answer to all the filter pitchers, under sink RO systems and bottled water options.

A modern tankless, 4 stage water filter that is well equipped with Digital Technology.

The ‘IN’ and ‘OUT’ TDS meter continuously displays water quality and the need to change it.

And the Filter life display reminds you when it is time to change the filter cartridge.

The screw-in design of the filter cartridges allows you to do a replacement within two minutes.

This system has four stages of high performance filter cartridge including the sediment filter, activated carbon block, coconut shell activated carbon filter and the RO membrane.

Stage 1 there is the sediment filter which by the way is of high quality, filters dust, dirt, sand and rust.

In stage 2 we have the Coconut Shell Activated Carbon filter whose purpose is to reduce chlorine contaminants prior to the RO membrane and also increases the membrane’s service life.

In stage 3 is the heart of reverse osmosis, a membrane which removes 99% contaminants.

In stage 4 which is the final process is a Granular Active Carbon filter that reduces the organic compounds, removes any left out odors and unpleasant tastes polishing up everything in the process above.

Which ensures you and your family will enjoy clean and purified water.

Pros & Benefits:

  • Plug-in and go no installation required
  • Four stage water filtration
  • Compact and sleek design to suit any decor
  • Equipped with modern SMART Technology
  • NSF certified

3. AlcaPure Countertop Reverse Osmosis Water Filter

AlcaPure Reverse Osmosis Countertop Water Filter by RKIN with Patented High Capacity 4 Stage...

This is a stylish and good looking zero installation countertop reverse osmosis system which lights up any modern kitchens.

This is a patented filtration technology that transforms your ordinary tap water into fresh, alkaline, clean and healthy drinking water.

Also known as ZIP- Zero Installation Purifier doesn’t require any installation or assembly.

This countertop reverses osmosis system comes with all the reverse osmosis filters pre-installed so you just fill in the reservoir, plug in and you’re good to go.

If you have children and worry a lot about spillage then worry no more as it comes with a child friendly and easy to use push button.

AlcaPure boasts of having all their internal components BPA-free thus avoiding chemical leakages into your purified water.

AlcaPure or Zero Installation Purifier proudly boasts of a 4 stage advanced water filtration :

Stage 1 we have a five micron sediment filter.

In stage 2 we have an Activated Carbon Filter.

In stage 3 there is the Reverse Osmosis Membrane (heart of Reverse osmosis system)

In stage 4 is the Alkaline Post Filter (high quality) which returns important and beneficial minerals for a rich, sweet and crispy taste in water.

The Alkaline Post Filter also increases the pH level of water to alkaline.

Pros & Benefits:

  • For improved taste, it adds calcium and magnesium minerals
  • Zero installation or assembly
  • Uses less power compared to a 30 watt bulb
  • Has a ratio of 1:1 filtered to wastewater
  • The wastewater can be used in gardening

Check Price and Reviews on Amazon

4. KFLOW Reverse Osmosis Water Filtration System

KFLOW Reverse Osmosis System, Countertop RO Water Filter, Tankless Reverse Osmosis Water Filtration...

The artist’s impression is of an espresso maker which is easy to use and maintain.

It adopts a multi-filtration recycling technology compared to the conventional high consumption under sink reverse osmosis filter system.

This means that the water left after filtering by this countertop RO system is not immediately classified as waste water, but will be recycled with the next batch of filtration.

This increases water efficiency saving water by 300% and thus reducing the bottled water budget.

K FLOW uses a Four Stage filtration system that includes Polypropylene Filter, Carbon Block Filter, RO Membrane Filter and Coconut Carbon Block Filter.

This filtration system boasts of 99% removal of 1000 of various contaminants including lead, chlorine, fluoride, mercury and heavy metals.

This is one of the best Reverse Osmosis Water Filtration Systems with recycling technology be sure to check it out!

You are totally free to move it anywhere, in other words, it is portable and efficient.

The water tank of this countertop water filter system is definitely not limited by water source, has an elegant appearance suitable for any modern decor (bedroom, kitchen, living room) and does delight your countertop!

Time to say goodbye to water filter pitchers, ordinary water pitchers, filters and faucets with K FLOW!

Can also be a combination of a drinking dispenser, a filter pot and an under sink filtration.

A plus about K FLOW is that it is battery free, no battery cost required just to make sure it’s near a power supply plug in and go.

K FLOW boasts of being a creative carafe that ensures there is no secondary pollution due to long-time water storage in the machine.

Has a replacement reminder display that keeps you up to date with the filter life and when reverse osmosis filters need to be changed.

Pros & Benefits:

  • No installation required a plug-in and go, model,
  • Wastewater is reused by the Recycling Multi-filtration Technology
  • The filters have a 2 year shelf life
  • Has an electronic filter change indicator

Check Price and Reviews on Amazon

5. AQUA TRU Countertop RO Water Filtration System

AquaTru Classic Countertop Water Filtration Purification System for PFAS & Other Contaminants with...

Welcome to the first most popular RO Water Filtration system with an attractive design.

AQUA TRU is easy to use and comes with a removal tank.

Within minutes of plugging it in, fill in the tank and say good riddance to municipal water.

AQUA TRU proudly boasts of removing thousands of contaminants using a 4 stage RO filtration cycle that includes the RO membrane which eliminates thousands of impurities.

Stage 1 is sediment filtration that filters away dirt, sand and rust.

In stage 2 is a Reverse Osmosis Filter that does a good job in making sure you have the best quality drinking water by removing 99% of lead, heavy metals and other pollutants.

In stage 3 is the Reverse Osmosis Membrane which ensures the fast flow of water and also eliminates contaminants.

In stage 4 is the Activated Carbon Filter to remove any left out impurities, color and odors in water.

It is portable, comes with a child friendly one time push button and requires no plumbing or installation tools.

The RO Membrane lasts longer up to 2 years of shelf life while the filters can go up to one year.

Its digital display will let you know when it is time to change your filters.

AQUA TRU countertop water filter system is a design suitably fit for any modern decor and countertop just fine.

Always be sure to leave the bottom of the tank and the surface of the base completely dry and free from moisture (100%) to prevent leakage.

NSF certificates guarantee you clean and safe water.

Pros & Benefits:

  • Portable reverse osmosis water filter
  • No Installation required
  • 4 Stage Filtration System
  • Smart Digital Filter Change Indicator
  • Stylish design that can be used in the lobby or office

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6. SIMPURE Countertop Reverse Osmosis Water Filtration System

SimPure Y5

Technology advancement can’t get any better.

This is the latest slim design that thinks like a hot water kettle.

It comes with a twin option of being an electric hot water kettle and a purifier.

Coffee lovers this is also a good option for you if you’re a serious coffee drinker.

The Simpure Y6 Countertop water filter system uses PP+CTO and Reverse Osmosis process with dual filters triple stages system to remove harmful pollutants like arsenic, Nitrates, Nitrites, Chromium and Barium from your water.

It also uses UltraViolet Purification system together with the Triple stages of Reverse Osmosis water system to create a magical and safer solution to your water.

It also uses a PPC Filter system with activated carbon made from coconut shells to improve the taste of your water.

It has the largest electric system holding tank of about 5 liter capacity.

The Smart rota-dial smart system allows you to select your water temperature in triple ways;

  • Room Temperature
  • 198F/92C suitable for tea
  • 185F/85C for coffee
  • 113/F45C for warm milk

It also has a SMART technology (LED) that alerts you when to change filters which by the way are easy to change.

Just twist and they snap into place.

Pros & Benefits:

  • UV purification system (FDA approved)
  • Dual 3 stages of filtration system
  • Has a large water holding tank
  • No installation or plumbing
  • Acts as an electric hot water kettle

7. PuroSmart Reverse Osmosis Water Filter

PuroSmart High Flow RO System, Counter Top Home Water Treatment System | Compact Countertop RO...

PuroSmart comes with a new and Improved High Flow Membrane for quicker Flow of Clean Water.

The membrane removes Total Dissolved Solids (TDS).

Easy to Use as no permanent Installation needed and works great on any standard faucet using direct installation, no fuss.

Reverse diffusion Membrane removes total dissolved solids whereas Carbon Block Filter Removes Sediment, Chlorine, and unhealthy odor.

PuroSmart Reverse osmosis comes with a replacement setup, Diverter Valve, Tubing, and a stand.

The membrane removes TDS.

Puro Smart purifies water fully at the molecular level, unlike other small water filter systems that require frequent cartridge changes.

Pros & Benefits:

  • Fast water flow
  • 99% removal of TDS
  • Produces up to fifty gallons of water per day
  • Fills containers 4x faster than any standard system
  • Delivers high quality drinking water for you and your whole family

Check Price and Reviews on Amazon

8. Reverse Osmosis Revolution

Countertop Portable Universal 5-Stage Reverse Osmosis RO Purification Water System with DI...

Reverse Osmosis Revolution is suitable for any modern decor and requires no plumbing.

This product allows you to purify water from the bottom going up thus creating your desired water taste without using a plumber.

Simply mount it on any faucet and you have safe, clean water within minutes.

It comes pre installed and filters water through a five stage process.

In stage 1 sediment filter removes rust and dust particles thereby prolonging the RO membrane shelf life.

Then in stage 2 common chemicals like chlorine, odors, bad tastes are filtered through Coconut activated carbon filters.

Stage 3 arrays the reverse osmosis membrane ability to remove 99% of the dissolved solids, fluoride, bacteria, lead, arsenic and chromium.

Finally, stage 4 produces de-ionized water and finally, Stage 5 polishes it with a post filter for that desired crisp bottled water.

The package includes a two way chrome metal diverter for your faucet.

If you love the outdoors like gardening, here’s a catch for you.

The two way diverter is replaced by a garden hose pipe if you want clean and healthy water for your plants or laundry.

It can deliver 75 gallons per day and you can easily fill a large pitcher in fifteen minutes.

It actually offers two compact and portable countertop reverse osmosis water filter systems.

The 5-stage unit and a Premium Heavy Duty 6-stage unit that features a softening accompanied by an alkalinization stage.

This ensures that you have softer, good tasting water.

The Premium Heavy Duty 6-stage is purposely for harder water, the in-built softening stage removes different hardness in minerals.

The alkaline countertop water filters are mainly for increasing water pH.

Pros & Benefits:

  • It has no case and that makes it attractive while on the countertop
  • A bit cheaper than the APEC system
  • Filters changes done after 6 months
  • Can be used with gardening hose pipe or laundry
  • It takes minimal space on your countertop

Check Price and Reviews on Amazon

9. Express Water Countertop Reverse Osmosis Filtration System

Express Water – Countertop Reverse Osmosis Water Filtration System – 4 Stage RO Water Filter...

Looking for the easiest to install water filtration system?

Choose Express Water.

With EXPRESS start drinking healthy water in minutes and use a product that fits most standard faucets.

Better still the package comes with 3 faucet adaptors just in case your faucet is different.

Express Water offers a rated 99% reduction of water contaminants like lead, aluminum and fluoride.

To achieve top notch results, the system uses a Four stage water filtration:

In stage 1 there is a Sediment filter that filters pollutants like sand, dust, dirt and rust.

Next in stage 2 is a Granular Carbon Filter whose main focus is to work on pollutants like odor causing compounds, chlorine and volatile organic compounds.

After that in stage 3 we have the Reverse Osmosis Membrane which deals with the most difficult job, removing contaminants like heavy metals and Total Dissolved Solids (TDS).

In stage 4 is a Post Activated Carbon Filter which does a final review on your filtered water before letting it through a faucet removing any left out odor.

For maintenance here is the catch, filter replacement is only done after every 6 months saving your budgetary costs big time.

Pros & Benefits:

  • Adaptable to most common faucets
  • Easiest to install
  • No tools required for installation
  • Easy-going filter swaps
  • Fast flow of water

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10. KFLOW Reverse Osmosis System, Countertop RO Water Filter, Tankless Reverse Osmosis Water Filtration...

KFLOW Reverse Osmosis System, Countertop RO Water Filter, Tankless Reverse Osmosis Water Filtration...

This product is best suited for aquariums additionally at home.

It has the flexibility to deliver fifty gallons per day, delivered to you as you need it.

Access to wash, safe water is extremely vital in our lives.

POQ-4B-50 water filter employing a four stage filtration method.

Having a two stage commonplace filtration to get rid of sediment, rust, dust particles, chemicals through carbon filters, a Reverse diffusion membrane and a de-ionization water filter.

The de-ionization water filter reduces Total Dissolved Solids (TDS).

If your household needs more water the manufacturer has a 100 gallon per day variation for you.

Easy to use and install – like replacing a faucet, turn the valve and voila you have clean pure water.

The four stage removes 99% of all bacteria, sodium, chloride, aluminum, copper, lead among many other pollutants.

It’s a compact, small design that can be carried anywhere.

Can be used outdoors, camping and in mobile homes.

Pros & Benefits:

  • Uses stage Four Filtration with de-ionization process
  • Easy to use and install
  • Elements have a longer shelf life of up to 3 years
  • Has a 50 to 100 gallons per day option
  • Portable reverse osmosis water filter

Check Price and Reviews on Amazon

Buyer’s Guide

When choosing a reverse osmosis water filter for your home put into consideration the following aspects:

Water pressure and wastewater

If the water pressure in your home is low the countertop RO system will definitely dispense low pressure water.

Also consider a system that generates minimal wastewater or has recyclable wastewater.


Check if your faucet is standardized to fit the faucet water filter system before making your purchases.

Maintenance costs and warranty

You wouldn’t want to be running back to the manufacturer every time due to a faulty system.

Certificates check should also be a priority

NSF standards guarantee the removal of considerable impurities in your tap water.


Though prices must not generally dictate your choice, it’s worth remembering that cheap is expensive unless proven otherwise.

Smart Technology

Having a smart system that alerts you of leakages, filter life straight on your smartphone.

Water Flow

You might also want to check water flow before buying.

A higher pressure won’t slow you down.


Check power usage if you’re most concerned about costs.


Finally, everyone wants that stylish good looking product for their countertops.

If you like decorum then it’s worth checking out the sleekest and good looking product to spruce up your kitchen.

You can also look out for long term Whole house reverse osmosis water filtration options in our future posts.

Choosing The Right Countertop Reverse Osmosis Water Filter

It is prudent to say what is life and lack of purified water brings a string of diseases and visible teeth discolor.

Hence the need for you to make the best choice for your water filtration, a product that will work best for you.

Reverse Osmosis Water Filtration Technology has immensely saved the planet from environmental pollution by bottled water and has a long term pocket friendly tone.

APEC RO CTOP water system is the most rated in the market because of its easy to use features, portability and providing great tasting water.

Its charitable initiative of giving back to the needy communities still takes it to another level.

AQUA TRU has remained the most popular Reverse Osmosis water system in the market.

If you know of a countertop reverse osmosis water filter that isn’t on this list and should be, let us know in the comments below!

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