The 9 Best countertop reverse osmosis system 2021

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Improve your water quality significantly by just purchasing the best countertop reverse osmosis system. These units are not as complex as a big whole house filtration system. You can easily install the unit and requiring low maintenance to enjoy clean water forever. This gives you peace of mind that you and your family are safe from harmful infections caused by bacteria present in water.


By now you might have made mind to buy the best countertop reverse osmosis system for ensuring your family’s health but choosing a single product from among the variety present on market will give you a headache. To ease out the process for you we have picked the most positive reviewed products that last long, work efficiently, and are budget-friendly. Use the links provided to know about the product in more detail.


Best countertop reverse osmosis system

Water is the basis of human life. Sixty percent of the human body is made up of water. We require water for cleaning, bathing, cooking, washing, and gardening as well. Thus water forms a huge necessity of everyday life. Due to a rise in pollution level around the earth water sources have become heavily polluted and many times the clear tap water coming out of your faucet might have hazardous chemicals affecting your health. In modern times it’s extremely important to have a water purifier at home especially for drinking water you can’t take a risk. The water may appear fine but might contain a variety of chemicals dissolved so using a countertop water filter will give you needed relief forever.


Next, We have listed the best products available with their key features highlighted


APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System

APEC reverse osmosis water filter is our premium pick product. This filter system provides pure water freed from 99 percent contaminants. The major contaminants removed are lead, arsenic, fluoride, nitrates, and heavy metals. APEC has been manufacturing these efficient filter systems for the past 20 years successfully. A lead-free faucet is provided with the system for uninterrupted water out supply.



Quick connect fittings

2-year warranty

99 percent contaminant removal

Comes with a lead-free faucet



A lot of water wasted during filtration


Key features :

High built quality :

The system is manufactured in America using high-quality material. This gives the product a considerably long life and makes it an economical purchase. With 20 years of successful manufacturing, the producers guarantee absolutely pure water for the whole family.

Leak-proof fittings :

Quick connect fittings make sure no water leaks out of the system destroying the surrounding area. You don’t need to buy a leak detector due to high-quality connections.

Easy installation :

The manufacturer provides the best-detailed instructions manual and videos for easy installation. This saves you time and effort.

5 Stage filtration system :

5 stages of filtration remove 99 percent of harmful substances in water. Each stage functions to remove certain impurities. During the first stage of filtration sediment filter removes dirt and dust. In the 2nd and 3rd  stage carbon block removes odor, taste, and VOCs. RO Membrane removes lead, arsenic, and heavy metals during the 4th stage. Lastly, a coconut carbon filter improves the taste of our coming water.


Does your water taste weird? It might have chlorine dissolved. Overlooking bad taste or smell coming from drinking water can be dangerous for you in long run. Berkey water filter is our editor’s choice product for the filter that removes this excess chlorine and makes water drinkable. Black Berkey water container can hold up to 1.5 gallons of water. With long lasting filters having a 6000-gallon capacity you will be free from worries of clean water for long.



Can filter 2.5 gallon per hour so provides adequate water supply

Occupies small space

Easy to carry around

No water pressure or electricity is required.



Lacks proper installation instructions


Key features :

Portable :

While traveling making sure clean water for drinking at all times can be hard. This 6-pound water container made from stainless steel can hold about 1.5 gallons of water. This water is enough for a small journey, hiking, or camping.

Two water filters :

Using two high-quality filters this water purifying unit can provide 2.5 gallons of water every hour. The filters have a 6000-gallon water filtration capacity. This high-quality filtration removes all harmful bacteria and parasites from the water.

No electricity or water pressure needed:

This filter works once filled with water to remove impurities. No need for electricity and water pressure makes this product a great option for travelers.

Small space occupied :

If you live in an apartment and don’t want space-occupying water filtration units installing a Berkey water filter unit is the most suitable option for you. The product can be kept in a small space and moved around easily due to its lightweight.


Big Berkey BK4X2 Countertop Water Filter System with 2 Black Berkey Elements and 2 Fluoride Filters

Countertop Water filters are convenient to use and install. They occupy much less space than complex huge water units. But the issue mostly is for huge families due to the short water supply. If you have a big family this best-selling water filter can provide your whole family with enough drinking, cleaning, showering water. With a 2.25-gallon pure water capacity, this filter can provide for a family of 4 to 16.



Enough water capacity for big families

High-grade stainless steel body

Four filters Purify up to 7 gallon per hour

Smaller space-occupying



Slow filtration process


Key features :

Higher water capacity :

This filter system is ideal for use by bigger families. The unit holds up to 2.25 gallons of purified water. Due to high water capacity, you won’t need water to purify for long.

Long filter life:

Two long-lasting filters with each having capacity of 3000 gallons fulfill your water needs for a long. Two more fluoride filters which are used as post filters purify about 1000 gallons of water.

Lightweight system :

The system is lightweight so you can conveniently carry it around your home or for travel. During traveling you can use any raw water source for filling the container and enjoy a drinkable water supply.

High flow rate:

This system provides you with 7 gallons per hour. So if you are traveling with your family having this filter unit solves all your water-related issues.


Alcapure Reverse Osmosis Countertop Water Filter by RKIN with Patented High Capacity 4 Stage Technology: Purified Alkaline Water with Superior Taste. No Installation or Assembly Required. Space Black

The alkaline water bottle has proved beneficial for many. This has caused a rise in its use and popularity. But bottled water adds to plastic pollution. AlcaPure water system not only filters and removes contaminants from water but raises the pH value of water to about 7 to 8. You can reap immense benefits by installing this one unit in your home.



Easy filter replacement

Led indicator that indicates filter life

Removable water tank makes cleaning easy

Modern elegant design



Can only hold 1.5 gallon of water


Key features :

Removable containers :

The top and the bottom container of the filtration system can be removed. Thus daily removing and cleaning the system is possible. This improves the life span of the filter. These water containers are made from BPA Free material.

Led indicator :

The led indicator keeps you notified about the status of the filter at all times. Moreover, this indicator also indicates the need for filter change once every year.

Energy-efficient :

You won’t worry about your electricity bill after using this system. Requiring only 30 watts of electricity this system has a 50 percent recovery rate.

Zero installation :

The system comes pre-assembled ready to be connected to the electric outlet and start getting fresh water. The filters are pre-installed so you need to put in no effort.


5-Express Water EZRO5 Countertop Reverse Osmosis Water Filtration System, White

Express Water Filter System has claimed to do the job better than all other options. This system removes 99.9 percent of 103 major harmful contaminants. The express water filter is the only filter that removes 95 percent fluoride from water. A Long-lasting 5 stage filter system provides high-grade contaminant removal. The filters need only twice yearly replacement which is easily available.



4 point installation system

Switch between tap and filter water

Low maintenance required

Adapter included for additional faucet styles



Unit might leak


Key features :

4 point installation :

Express Water Filter only requires minutes for installation. This saves you a lot of time. Easy 4 point installation requires no hardware and fits most standard faucets.

Free customer service support :

Contact the customer service for any query you face and get a prompt response. This makes it easy to use the product as the manufacturer guide you in detail about how to do that.

Low maintenance :

Reverse Osmosis system requires very little maintenance. Quick connect fittings prevent water leaks and easy to replace filters make sure continuous water supply.

Switch between tap and RO system:

You can switch between your tap and filter system water whenever needed. This feature ensures that even if you run short of pure water for drinking you have high-pressure water for cleaning and other purposes.


IMP6X2-BB Imperial Berkey with 2 Black Filters and 2 Flouride Filters

Are you afraid of installing a filter system in you because it will cause a surge in electricity bills? Berkey filtration system needs no electricity or minimum pressure input. This system simply works when filled with water. With a 4.5 gallon capacity, this system can serve your big family. Less space occupied and huge water supply both are a plus for daily use.



5.5 gallon per hour water output

Stainless steel body

6000-gallon water capacity

Cleanable filters



Low-quality faucet


Key features :

Cleanable filters :

The two filters can be cleaned up to 100 times with soap and water. Daily cleaning prevents mineral built up inside the filter and extends their functioning life.

Long-lasting water container :

High-grade stainless steel is used for making the water container which saves it from environmental effects and prevents any damage or leak.

Two fluoride filters:

Two separate filters especially for removing fluoride improve water quality significantly. The filters have 1000 gallon capacity so the water is purified from fluoride for a long period after which filters need to be replaced.

Imperial filter system :

The system can hold up to 4.5 gallons of water. This huge capacity of water will be enough for big families. Though huge water capacity the system occupies very little space.


Home Master TMJRF2 Jr F2 Counter Top Water Filtration System, White

Are you looking for a small budget-friendly filter system for your family that can provide you with clean drinking water? The home master water filtration system has a compact design that sits on your kitchen sink and occupies very little space. Due to its compact design, the product is also very easy to carry. You can install the unit with any faucet in your home and get purified water.


Pros :

Compact design

93 percent contaminants filtered

Flexible tubing for connection

Long chrome faucet


Cons :

Low quality plastic adapter


Key features :

Space-saving design:

Due to the compact design, you can use this system for your home, apartment, or temporary living place. The system can fit on the sink top with ease without much effort.

Flexible connection tubings :

The connecting tubings are flexible so you can place the unit on any side and use it easily. Flexibility improves water flow rate so you won’t face low water pressure issues.

Travel friendly :

With the compact design, it is surely easy to take this unit on travel along with you. Lack of pure drinking water during travel can affect your health so having a filter makes your journey wonderful.

Chrome faucet at the front :

A long chrome faucet out pours the water from the front. This long reach design faucet makes it easy to use water anywhere without any fear of spillage and water wastage.

 APEC Water Systems ROES-PH75 Essence Series Top Tier Alkaline Mineral pH+ 75 GPD 6-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System

If you fear catching some infection due to your water source contamination it is better to install a countertop water filter that can at least fulfill your drinking water needs. Water can have many bacteria and chemicals which cause fatal health issues. Installing a water filter is a one-time investment that saves from the possible hazard in the future.



WQA certified

6 stage water filter system

Remineralizes and alkalines water

Food grade tubings for safe water supply



Size might not fit under a sink


Key features :

Enough for family use:

75-gallon water can be filtered daily so you have unlimited water for a whole day. The water is freed from contaminants using 6 stage filter system.

WQA certified system:

The certified system with long-lasting filters ensures your family’s health. The filters are designed to effectively remove harmful substances for up to a year.

Lead-free faucet:

The system comes with a lead-free faucet so you can easily install it with the system and have a safe and clean water output.

2-year warranty :

The manufacturer provides the buyer with a 2-year warranty so you can enjoy quality water without fearing any damage or leak. Long time guaranty also makes this purchase economical as the product lasts for long periods.


simple Y5 Instant Hot Reverse Osmosis Water Filtration System – 4 Stage Countertop RO Water Filter – Bottleless Water Dispenser with 4 Temperature Settings – 5: 1 Low Drain Ratio (Installation Free)

simple has combined a RO Membrane water filter with a hot water dispenser. Use of 4 Stage filter system 99.9 percent purified water for all uses. The filters come with this filter system and are easy to replace. The filters last from 6 months to one year depending on the level of contamination present in your water.


Pros :

Water filter with 4 water temperature settings

Light indicator for a filter change.

Less water wasted during filtration

Twist in filter replacement



Makes a noise while filtering water


Key features :

Water heating dispenser :

This filter system has 4 settings of water heating. The RO Membrane removes 99.9 percent of contaminants and then you can use the same system for heating water to make coffee or have warm water on an empty stomach.

Installation Free portable design :

The system comes pre-assembled so you don’t need to do any hard job. The system occupies very little space and is portable for travel purposes. Just plug into the electric source and start water filtration.

Efficient performance :

The system removes 99.9 percent of contaminants but wastes much less water when compared to other options available. This helps with saving on your water bills and make use of most of your supplies.

Quick filter replacement :

Filters can last up to one year after which they are changed using replacement filters available online. Replacement takes only seconds and is done with one single turn.



Ultimate Buyer’s Guide to Buy Best countertop reverse osmosis system

If you are puzzled looking at the number of options available we have aimed at making your job easy for you. We have listed the key features which must be found in your best countertop reverse osmosis system so following the features will make your search easy for you.

These are features most important for the best countertop reverse osmosis system :


The filter system must have a small size so you can conveniently carry it around or place it in any corner of your choice. Countertop filters are preferred over other complex whole house filters due to less space requirement.

Energy consumption :

Looking for the energy requirement of the system is important so you can manage your budget accordingly. High energy consuming systems cause a surge in electricity bills so it is advised to buy energy-efficient units.

Capacity :

The Water Filtration capacity of a system should be in accordance with your daily needs. Small capacity filters won’t last long for big families so make the choice accordingly.

Installation process :

The installation process should be clear and simple so you won’t need to spend money on professional help. Many filtration systems come pre-assembled and require no effort or cost for installation.



Overall best countertop reverse osmosis system :

AlcaPure Reverse Osmosis Countertop Water Filter by RKIN with Patented High Capacity 4 Stage Technology: Purified Alkaline Water with Superior Taste. No Installation or Assembly Required. Space Black

Is the overall best countertop reverse osmosis system. With 4 stages of filtration, this unit provides bottled quality water in no time. This system comes pre-assembled and requires little to no maintenance.


Best value for money countertop reverse osmosis system :

Big Berkey BK4X2 Countertop Water Filter System with 2 Black Berkey Elements and 2 Fluoride Filters

Is the best value for money countertop reverse osmosis system. This system needs no electricity or minimum water pressure. The compact design makes it great for travel.


FAQs about best countertop reverse osmosis system

How often RO filter membrane is replaced?

Filter life varies and depends on the level of contaminants present in your water. Most filters last from 6 months to one year and are replaced after that. Indicator lights notify you about the time for filter replacement.


Are countertop filter systems more convenient than whole house water filters?

Countertop Water filters are less complex than whole house filters. They have a compact design so they’ll not occupy much space and you can easily carry them around. Moreover, countertop filtration units need very little to no installation thus saving your time and energy.



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