The Best Under Sink Water Filters

Under Sink Water Filters: Reviews, Top Picks & FAQ

πŸ₯‡ Rank #1
iSpring
97 %
βœ”οΈ Highly Recommended!
πŸ₯ˆ Rank #2
APEC Water Systems
96 %
βœ”οΈ Highly Recommended!
πŸ₯‰ Rank #3
Home Master
94 %
βœ”οΈ Highly Recommended!
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How we Reviewed and Ranked Under Sink Water Filters

To create our buying guide for the best under sink water filters of May 2020, we analyzed 5,497 user reviews across 10 products with an average user rating of 4.5 stars. Our scoring algorithms remove fake reviews, consider expert reviews on other websites and monitor search engine interest to determine our confidence in your satisfaction with your purchase.
10
Products Reviewed
5,497
Reviews Analyzed
4.5 ⭐
Average User Rating
$155.74
Average Price
91%
Average ProductAdvisor Score
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The Best Under Sink Water Filters of May 2020


Rank #1


βœ”οΈ We Highly Recommend This Product!
2,177
Reviews Analyzed
4.6 ⭐
Average User Rating
$199.49
Latest Price
97%
Our Score

One of the safest and best drinking water systems available in the market by iSpring.

Key Features

  • Removes 99.99% of contaminants using reverse osmosis.
  • Includes re-mineralizer to add beneficial minerals like calcium and magnesium.
  • Includes a well-designed chrome faucet.
  • All components and tools required for installation included.
Rank #2


βœ”οΈ We Highly Recommend This Product!
612
Reviews Analyzed
4.8 ⭐
Average User Rating
$189.95
Latest Price
96%
Our Score

A high-quality reverse osmosis under-sink water filtration system by APEC Water Systems.

Key Features

  • Reverse osmosis filter removes up to 99.99% of contaminants.
  • Able to filter up to 50 gallons of water per day.
  • Sediment filters last up to 1 year.
  • Made in the USA.
Rank #3


βœ”οΈ We Highly Recommend This Product!
26
Reviews Analyzed
4.7 ⭐
Average User Rating
$288.97
Latest Price
94%
Our Score

An ideal under-sink solution to ensure maximum safety and great taste by Home Master.

Key Features

  • Removes 99.99% of contaminants via a reverse osmosis filter.
  • Remineralizer adds beneficial minerals after filtration.
  • Filters last up to 1 year with easy and affordable replacements.
  • External tank to ensure a steady supply of safe, clean drinking water.
Rank #4


βœ”οΈ We Highly Recommend This Product!
30
Reviews Analyzed
4.7 ⭐
Average User Rating
$135.99
Latest Price
94%
Our Score

A simple, affordable and high-performance under-sink water filter by FRIZZLIFE.

Key Features

  • 0.5 Micron filter removes 99.9% of water contaminants.
  • Easy DIY installation; no plumbing required.
  • Filters last up to 1,000 gallons or 1 year.
  • Compatible with most standard piping.
Rank #5


βœ”οΈ We Highly Recommend This Product!
1,146
Reviews Analyzed
4.4 ⭐
Average User Rating
$99.84
Latest Price
93%
Our Score

A simple, effective and affordable under-sink water filtration system by Woder.

Key Features

  • Filters last for up to 8,480 gallons of filtered water.
  • No plumbing required; fits most standard piping.
  • Flow rate of 2 gallons per minute.
  • Filters out most contaminants while leaving beneficial minerals.
Rank #6


βœ”οΈ We Highly Recommend This Product!
715
Reviews Analyzed
4.6 ⭐
Average User Rating
$169.99
Latest Price
92%
Our Score

An affordable entry-level reverse osmosis system by Express Water.

Key Features

  • Reverse osmosis filter removes up to 99.99% of contaminants.
  • Easy to install; no plumbing required.
  • External tank ensures a constant supply of fresh drinking water.
  • Limited 1-year manufacturer warranty.
Rank #7


βœ”οΈ We Highly Recommend This Product!
112
Reviews Analyzed
4.5 ⭐
Average User Rating
$89.26
Latest Price
90%
Our Score

A great entry-level under-sink water filter for municipal water sources from iSpring.

Key Features

  • Removes the majority of harmful contaminants from water including heavy metals.
  • Up to 1 gallon per minute flow rate.
  • European-designed brushed nickel all-metal faucet.
  • Easy installation and filter replacement.
Rank #8


βœ”οΈ We Recommend This Product!
418
Reviews Analyzed
4.4 ⭐
Average User Rating
$138.02
Latest Price
88%
Our Score

An excellent entry-level under-sink water filtration system for homes with municipal water.

Key Features

  • Premium Chrome Faucet included, made in the USA.
  • Removes most chemical smells and odors.
  • Long-lasting filters, up to 1 year for the normal family household.
  • Limited 1-year manufacturer guarantee.
Rank #9


βœ”οΈ We Recommend This Product!
133
Reviews Analyzed
4.2 ⭐
Average User Rating
$86.90
Latest Price
84%
Our Score

A simple and affordable under-sink water filter by Watts Premier.

Key Features

  • Removes most harmful contaminants from water.
  • Filter lasts up to 600 gallons or 6 months.
  • Improves the taste and odor of water.
  • Ideal for water already treated by a municipality.
Rank #10


βœ”οΈ We Recommend This Product!
128
Reviews Analyzed
4.0 ⭐
Average User Rating
$159.00
Latest Price
80%
Our Score

A quality mid-range under sink water filter from the reputable brand, Aquasana.

Key Features

  • Removes up to 99% of harmful contaminants while allowing beneficial minerals to pass through.
  • Flow rate of 0.5 Gallons per minute.
  • Filter life of up to 800 gallons with easy replacement.
  • Easy installation; no plumbing required.

Frequently Asked Questions


The average price of a under sink water filter is $155.74. They range in price from $86.90 to $288.97

The best under sink water filter for the money is the iSpring RCC7AK 6-Stage Under Sink Reverse Osmosis Water Filter System. It costs $199.49 on Amazon.com

The cheapest under sink water filter is the Watts Premier WP500313 2-Stage Under Sink Water Filter. It costs $86.90 on Amazon.com

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Compare Under Sink Water Filters

Our editors selected the following Under Sink Water Filters for consideration in our list.
Brand Product Score Price Reviews Rating Weight Dimensions
iSpring iSpring RCC7AK 6-Stage Under Sink Reverse Osmosis Water Filter System 97% $199.49 2,177 4.6⭐ 20.00 lbs 6 W x 14.5 L x 17 H
APEC Water Systems APEC 5-Stage Reverse Osmosis Water Filter System (ESSENCE ROES-50) 96% $189.95 612 4.8⭐ 25.00 lbs 5.25 W x 16 L x 17.5 H
Home Master Home Master TMAFC Under-Sink Reverse Osmosis Water Filter System 94% $288.97 26 4.7⭐ 14.10 lbs 16 W x 20 L x 13 H
FRIZZLIFE Frizzlife Under Sink Water Filter System SK99 94% $135.99 30 4.7⭐ 0.00 lbs 0.04 W x 0.14 L x 0.14 H
Woder Woder WD-S-8K-DC Water Filtration System 93% $99.84 1,146 4.4⭐ 0.00 lbs 3 W x 3 L x 15 H
Express Water Express Water Reverse Osmosis Water Filtration System 92% $169.99 715 4.6⭐ 11.80 lbs 18.75 W x 16.18 L x 18.06 H
iSpring iSpring US31 3-Stage Under Sink Water Filtration System 90% $89.26 112 4.5⭐ 12.02 lbs 6 W x 16 L x 16 H
APEC Water Systems APEC WFS-1000 3 Stage Under-Sink Water Filter System 88% $138.02 418 4.4⭐ 14.00 lbs 15 W x 6 L x 12 H
Watts Premier Watts Premier WP500313 2-Stage Under Sink Water Filter 84% $86.90 133 4.2⭐ 0.00 lbs 7 W x 14 L x 16 H
Aquasana Aquasana AQ-5300 3-Stage Under Sink Water Filter 80% $159.00 128 4.0⭐ 7.00 lbs 12 W x 4.25 L x 12.88 H
Brand Product Score Price Reviews Rating Weight Dimensions

Best Under Sink Water Filter Brands

The following brands make the best Under Sink Water Filters in the market.

Sources

Thank you to these resources for helping us compile this page
https://bestreviews.com/best-under-sink-water-filters
Purchasing an under-sink water filter, however, is an easy way to be sure that only the purest water...
https://thewirecutter.com/reviews/best-under-sink-water-filter/
Under-sink filters also tend to have much more capacity and much longer lifespans than pitcher filte...
https://kitchenguyd.com/best-under-sink-water-filter-reviews/
Check out our In-depth Under Sink Water Filter Reviews, comparison charts and top picks to help you ...
https://www.consumersearch.com/water-filters/best-under-sink-water-filters
Not all under-sink water filters are reverse osmosis systems, some are just basic, solid carbon bloc...
https://www.softwaterlab.com/best-under-sink-water-filter-reviews/
Choosing the best under sink water filter system, consider the degree of filtration you need, your b...
https://www.amazon.com/Best-Sellers-Home-Improvement-Under-Sink-Countertop-Filtration/zgbs/hi/13397611
Discover the best Under-Sink & Countertop Filtration in Best Sellers. Find the top 100 most popular ...
https://listamazing.com/best-under-sink-water-filters/
Over some years, under sink water filters have become a portable option that connects directly to th...
https://drinkfiltered.com/under-sink-water-filters/
Under Sink Water Filter Buying Guide . The under the sink water filter is a popular staple within ma...
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