Under Sink Water FIlter

Best Under Counter Water Filter Reviews and Guide 2021

The under counter water Filter or under sink water filtration system is currently the most efficient & popular filtration system comparatively because of a number of advancements and utilization of the latest technology in recent times. It provides better coverage against a number of contaminants, that too with minimal water wastage.

In this article, we are going to provide you with a complete guide to know about the best under sink water filters in the market. You will not only know the pros and cons of these under counter water filters but we will also discuss the benefit of using under sink water filters to get fresh water for you and your family.

Contents show

What are Under Counter water filters?

As the name indicates , the under counter water filter takes water directly from the pipe line located just below the sink and then supplies purified water through the faucet. The under counter water purification system filters only the amount of water taken out from the faucet, it doesn’t filter the water from the entire water pipeline

This article provides you a review of some of the best under counter filters from which you can pick according to your need and wish.

Our Top Picks

PREMIUM PICK
9.9
APEC Water Systems ROES-50
APEC Water Systems ROES-50
  • 5 Stage Purification System
  • Guarantees Maximum Filtration
  • WQA Gold Seal Certification
  • Efficiently Filters up to 50 Gallons Per Day
  • 2 Year Manufacturer Warranty
EDITOR’S CHOICE
9.7
APEC Top Tier Supreme
APEC Top Tier Supreme
  • Most Long Lasting & Durable System
  • Ease of Installation
  • 2 year Manufacturer Warranty
  • WQA Certified
BUDGET PICK
9.4
Express Water RO5DX
Express Water RO5DX
  • Ease of Installation
  • Presence of Leak Detector
  • NSF/ ANSI 58 Standard Certified
  • 1 year Warranty

Check Our Expert Guide about: Best Under Sink Water Filter

EVERYTHING WE RECOMMEND

IMAGE PRODUCT Rating PRICE
APEC Water Systems ROES-50 APEC Water Systems ROES-50
9.9
Check on Amazon
APEC Top Tier Supreme APEC Top Tier Supreme
9.7
Check on Amazon
Express Water RO5DX Express Water RO5DX
9.4
Check on Amazon
Woder WD-S-8K-DC Woder WD-S-8K-DC
9.5
Check on Amazon
iSpring WGB21BM iSpring WGB21BM
9.7
Check on Amazon
iSpring RCC1UP-AK 100GPD iSpring RCC1UP-AK 100GPD
9.6
Check on Amazon
Aquasana OptimH2O Aquasana OptimH2O
9.6
Check on Amazon
Amazon Basics 4-Stage Amazon Basics 4-Stage
9.6
Check on Amazon

Also, Check: Best Under Sink Water Filter Reviews for Well Water

1. APEC Water Systems ROES-50

APEC Water Systems ROES-50
APEC Water Systems ROES-50

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This APEC ROES-50 water filtration system is five stages ultra safe reverse osmosis under counter water filter system that provides better coverage against a number of contaminants & toxins to give you & your family safe and healthy drinking water.

Also, APEC ROES-50 water filter system got Five Starts (⭐⭐⭐⭐⭐) Reviews on Amazon. Click here to check now.

Features

Product efficiency

This APEC RO under counter water filter removes up to 99% of harmful chemicals, toxins & contaminants. Additionally, it also removes chlorine and certain other chemicals that result in unpleasant taste & odor of water thereby making drinking water more safe, healthy and tasty.

Certification

This APEC Reverse Osmosis under counter water filtration system has proven to provide the finest quality drinking water.WQA certification of this product ensures and guarantees maximum contaminant elimination.

Low maintenance

Each ROES- 50 Reverse Osmosis under counter water filtration system is provided with solid block filters that ensure the long shelf life of filters and better performance. Filter change interval ranges from six months to a year based mainly on the capacity of filters.

Installation

APEC ROES-50 under counter water filters is designed and engineered to have simple installation and maintenance in mind.

Pros
  • 5 Stage Purification System
  • Guarantees Maximum Filtration
  • WQA Gold Seal Certification
  • Efficiently Filters up to 50 Gallons Per Day
  • 2 Year Manufacturer Warranty
Cons
  • Wastes Water
  • Leakage

Why to buy this product?

APEC company has 20 years of experience to make some of the finest water filtration systems. This under sink water filter has 5 stage water purification system that ensures to provide ultra safe & healthy drinking water.

Read: Small Filtration System Type & Reviews

2. APEC Top Tier Supreme

APEC Top Tier Supreme
APEC Top Tier Supreme

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This APEC alkaline mineral Ph +Reverse Osmosis drinking water is and Editor’s pick from the list of best under counter water filter. It has six stage RO filtration system that guarantees more safe & fresh drinking water. This is the most long lasting & durable system.

APEC Top Tier Supreme water filter system got Five Starts (⭐⭐⭐⭐⭐) Reviews on Amazon. Also, got Amazon’s Choice Badge. Click here to check now.

Features

Quality

The 100% US based filters are super long lasting, This RO 6 stage ultra safe under counter water filter system is the most reliable system that lasts for decades and ensures the non-stop provision of safe & healthy drinking water.

Product efficiency

This APEC alkaline mineral reverse osmosis under counter water filter removes up to 99% of toxins, chemicals & contaminants from drinking water such as barium, cadmium, chromium, copper, fluoride, lead, radium, & 1000 + others from your drinking water to give you fresh, safe & healthy drinking water.

Certification

This APEC RO-Ph90 reverse osmosis under counter water filter system is tested & WQA certified for removing 99% contaminants from water.

Warranty

APEC RO 6 stage under sink water filter provides you with 2 years of manufacturer warranty with registration. You also get ultimate satisfaction when get to know that they offer lifetime support as well.

Maintenance

They require minimal maintenance. The system has two folds better super capacity filters that need replacement once yearly. Now you can enjoy long lasting performance.

Ease of Installation

This APEC RO-Ph90 under counter water filter is easy to install.

Pros
  • Most Long Lasting & Durable System
  • Ease of Installation
  • 2 Year Manufacturer Warranty
  • WQA Certified
Cons
  • Low Water Pressure

Why to buy this product?

This APEC RO-Ph90 under sink water filtration system is the most long lasting & durable system currently available in the market. It is leading in the business, provides peace of mind and customer satisfaction with minimum maintenance and ease of installation.

3. Express Water RO5DX

Express Water RO5DX Reverse Osmosis
Express Water RO5DX Reverse Osmosis

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This Express water RO5DX is the best budget under counter water filtration system offers five stage purification that means they ensure the purest and safest drinking water for you and your loved ones. They also comply with all the quality standards.

Features

Product efficiency

This Express water Reverse Osmosis under counter water filter provides protection against 99% of various toxins, chemicals m& contaminants like lead, chlorine, fluoride, nitrate, calcium, arsenic, certain bacteria and more.

5 stage purification system

The five stage water purification system in these under counter water filters is specially designed to produce the healthiest, safest and best drinking water for your family.

Warranty

Express Reverse Osmosis system under sink water filters is provided with the manufacturer’s one-year warranty.

Leak detector

The added advantage with these RO under sink water filters is the presence of the leak detector. These under sink filters are accompanied by an emergency leak stop detector that blocks the flow of water upon detection of unwelcomed moisture.

Ease of installation

The Express 5 stage RO under counter water filters are easy to install. No need of wasting money on a plumber to install the system. It is provided with a quick and easy to understand manual guide that will help you to install it yourself conveniently.

Pros
  • Ease of Installation
  • Presence of Leak Detector
  • NSF/ ANSI 58 Standard Certified
  • 1 Year Warranty
Cons
  • Time Consuming Maintenance

Why to buy this product?

This Express water RO5DX under sink water filter is the best budget under counter water filter choice for you as it guarantees the provision of safe, healthy and tasty water because of the presence of five stage filtration system. In addition, it has the added feature of a leakage detector.

4. Woder WD-S-8K-DC

Woder WD-S-8K-DC Water Filtration
Woder WD-S-8K-DC Water Filtration

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The Woder WD-S-8K-DC water filtration system is a budget pick from some of the best available under sink water filters. This filtration system is WQA Certified, USA made & is Ultra High Capacity Direct Connect under Sink Water Filter which Removes number of Contaminants from water efficiently.

Features

Product efficiency

This RO under counter water filtration system is efficient in removing 99% of toxins , chemicals & various contaminants from water that includes heavy metals like lead, chlorine, chromium 6, mercury, certain volatile organic compounds , carcinogens and some other contaminants.

Remineralization (selective filtration)

The selective filtration technology removes 99% contaminants while keeping & retaining all the essential minerals in drinking water such as magnesium, calcium, potassium etc.

Ease of installation

The do-it-yourself installation type makes this filtration system easy and convenient to install which means that you don’t need to invest time & money on plumbing.

Filter life

This filtration system offers long lasting filters that provides up to 8480 gallons of filtered water with flow rate of 2 gallons per minute.

Certification

The Woder WD-S-8K-DC water filtration system is NSF/ANSI Certified for chlorine taste & odor by WQA and NSF/ANSI 372 Certified for lead free compliance.

Pros
  • Budget Pick
  • Long Lasting
  • Ease of Installation
  • Long Lasting
Cons
  • PPM of Water Doesn’t Change Much

Why to buy this product?

This Woder WD-S-8K-DC water filtration system is a simple, effective and affordable reverse osmosis under counter water filter system that provides pure, fresh & safe drinking water for you and your family.

5. iSpring WGB21BM

iSpring WGB21BM 2-Stage Whole House Water Filtration System
iSpring WGB21BM 2-Stage Whole House Water Filtration System

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This iSpring 2 stage RO under sink water filter with 10” x 4.5” Big Blue Carbon Block  & 1″ Ports is specially designed to remove iron and manganese. It is a good choice for those living in small houses or where limited space may be a matter of concern.

Features

2 stage efficient filtration

The featured second stage filter (FM15B) in this Ispring 2 stage filtration system is specifically devised to remove and eradicate iron and manganese from drinking water such that it reduces iron (from max 3ppm to 0.01 ppm) & manganese (from 1ppm to 0.01ppm). The first stage CTO filter removes cloudiness, bad taste, odor and up to 99% contaminants from drinking water.

Certification

This Ispring WGB21BM 2 stage RO under sink water filtration system is NSF/ ANSI certified and meets all quality standards of filtration efficiency and filter life.

Filter shelf life

In Ispring 2 stage whole house water filtration system, the iron and manganese removing filters works three times more comparatively then others because they don’t consume catalytic media in the process. The capacity of these filters is up to 50,000 gallons of water.

Warranty

Along with a 1 year manufacturer warranty, they also offer 30 day money back guarantee & a lifetime technical support.

Easy installation and maintenance

The system comes with an easy DIY installation manual; one can easily install it by watching YouTube videos. It’s so simple and quick. Moreover, it doesn’t need extensive maintenance.

Pros
  • 1 Year Warranty with Lifetime Tech Support
  • Ease of Installation
  • Iron and Manganese Removal Filters
  • NSF/ANSI Certification
Cons
  • Leakage

Why to buy this product?

This iSpring 2 stages whole house drinking water filtration system is the best pick for those living in small houses or limited or restricted space is a concern there. It provides safe, healthy & filtered water for you and your family.

6. iSpring RCC1UP-AK 100GPD

iSpring RCC1UP-AK 100GPD Under Sink water filter
iSpring RCC1UP-AK 100GPD Under Sink

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Next in the list of best under counter water filter is this iSpring RCC1UP-AK 100GD reverse osmosis under sink water filter, which is an Ultimate Water Softener with Alkaline Remineralization. It is also equipped with booster Pump and UV Ultraviolet Filter.

Features

3 Pre Filters

This Ispring 7 stage RO system utilizes three pre filters. A residue filter, a carbon filter & carbon block filter. These pre filters make sure to remove large contaminants & keeps the semi permeable membrane from getting clogged by chemical such as chlorine.

Remineralization

This RO filter system is provided with alkaline remineralization filter that retains and restores healthy minerals like magnesium, potassium and calcium to the water thus produce more natural taste.

Product efficiency

This reverse osmosis under sink water filtration system removes up to 99% of chemicals, toxins & over 1000 various contaminants such as chlorine, fluoride, lead, arsenic, asbestos and many more to make water safer, healthier and tastier.

Ease of installation

This RO water filtration system is provided with a do-it-your-self-installation mechanism that means it is so convenient to install it with minimal help.

Pros
  • Retains Healthy Minerals in Water
  • Minimal Water Wastage Comparatively
  • Equipped with Built in UV Filter
  • Ease of Installation
Cons
  • Doesn’t Reduce TDS

Why to buy this product?

This iSpring RCC1UP-AK 100GD RO under counter water filter is smart choice for those looking for best under sink water filter as it is accompanied with UV Filter and also alkaline remineralization pump to retain healthy minerals and makes water more tasty and healthy.

7. Aquasana OptimH2O

Aquasana OptimH2O Reverse Osmosis
Aquasana OptimH2O Reverse Osmosis

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This OptimH2O RO under filtration system is the first RO system of its kind to brace powerful RO filtration with Claryum selective filtration that too with remineralization. This RO under counter filtration system provides the best drinking water for you & your family.

Features

Product Efficiency

Aquasana Optim H2O Reverse Osmosis under counter water filter eradicates up to 99% of 79 various toxins & contaminants like some heavy metals i:e arsenic, lead, mercury, asbestos, certain pesticides, few pharmaceuticals, chlorine and various others in order to provide safe & healthy drinking water.

Certification

This Aquasana RO under sink water filtration system is NSF Certified to standard 42, 53, 58, 401 + P473.

Retains Healthy Minerals

This under sink water filter retains the healthy minerals like potassium, sodium & magnesium through remineralization which otherwise are lost during the reverse osmosis process.

Better Taste

The RO system also removes the chemicals that alter the taste of water thus makes it healthier and tastier drinking water.

Low Maintenance

No messy maintenance needed. Additionally, the hoses & water lines are not required to disconnect. Filters are needed to replace every six months or every 800 gallons of water.

Pros
  • Ease of Installation
  • Low Maintenance
  • NSF Certification
  • First RO System to Pair RO Filtration with Claryum
Cons
  • Leakage Issue

Why to buy this product?

This Reverse Osmosis under counter water filter is the leading & first RO system filter that is coupled with Claryum for a better water purification experience.

8. Amazon Basics 4-Stage

Amazon Basics 4-Stage Reverse Osmosis
Amazon Basics 4-Stage Reverse Osmosis

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The Amazon Basics Reverse Osmosis (RO) provides filtration through four stages of powerful extensive filters. Following are the salient features of this filtration system.

Features

4 Stage RO filter

This home drinking water under counter filtration system comprises of 4 filters,

Residue filter (Stage 1, removes dirt, sand &rust, etc), Pre carbon block filter (Stage 2 removes odor such as chlorine ), RO membrane filter (stage 3 removes heavy metals like lead, arsenic, radium, etc), & post carbon block filter (stage 4 removes any remaining unwanted taste ).

Ease of installation

In this Reverse Osmosis under counter water purification system, it is easy to attach it to existing pipe with ‘twist lock’ for easy replacement of filters.

Product efficiency

This under counter water purification system eradicates numerous chemicals, toxins & contaminants to make water safer & healthy for you and your family. Moreover, it also treats water for unpleasant odor and bad taste that is usually associated with unfiltered water.

Pros
  • Four Stage Purification System Provides Better Coverage
  • Easy Installation
  • NSF Tested & Certified
Cons
  • Leakage Issue

Why to buy this product?

This under counter reverse osmosis provides safer & healthier drinking water by removing a large proportion of toxins, chemicals & contaminants. Moreover, it is so convenient to install this filtration system.

Conclusion

APEC 6-Stages Ultra Safe Reverse Osmosis Drinking Water Filter System is certainly the best amongst these under counter water filters because they are the most durable and long lasting that lasts for more than decades.

Also, Got Five Starts⭐⭐⭐⭐⭐ revies on Amazon. Isn’t it great? Now you don’t need to worry about the maintenance of your filters as this option is perfect and worth buying.

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