10 Best Under Sink Water Filters
for October 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.7
SCORE
Waterdrop 15UA Under Sink Water Filter System, 16K Gallons Ultra High Capacity Main Faucet Under Counter Water Filtration System, Removes 99% Lead, Fluoride, Chlorine, Bad Taste, USA Tech, 0.5 Micron

Waterdrop 15UA Under Sink Water Filter System

16K Gallons Ultra High Capacity Main Faucet Under Counter Water Filtration System, Removes 99% Lead, Fluoride, Chlorine, Bad Taste, USA Tech, 0.5 Micron

by Waterdrop
What We like

Easy installationThe system should be connected only to a cold water supply. With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds. The system includes a 3/8 hose with a direct connection that adapts to standard 3/8 feed water valves under US sinks. The 3/81/2 convertor fitting helps you connect the system to both 1/2 and 3/8 cold water lines and faucets.

more infoarrow_drop_down

Product Features

  • Ultra-long service lifeWhen used with municipal water, each filter has a maximum service life of 24 months or 16,000 gallons. (This may vary based on water conditions.)
  • Fast flow rate & multiple usesThe fast and stable water supply provides pure and fresh water that tastes like spring water. The tested full flow rate is 2.0 gpm at 60 psi. Developed for household and commercial use, the Undersink Water Filtration System can be installed in your kitchen, bathroom, RV, or office to meet your daily water needs. Ideal for drinking, cooking, skincare, and cleaning.
  • Innovative five-stage filtrationThe Waterdrop Direct Connect Undersink Water Filtration System uses innovative five-stage filtration. Tested against NSF standards, it removes 99% of chlorine, heavy metals (including lead, mercury, and arsenic), and chemical contaminants such as fluoride. It also filters out sediment and other large particles, thereby preventing scale buildup. Enjoy healthy and pure water straight from your tap no need to buy bottled water anymore!
  • Superior materialActivated carbon block and other advanced filter media ensure efficient and safe filtration. KDF effectively keep filter sanitary. The BPA-free, lead-free material ensures more reliable use from the inside out.

Innovative five-stage filtrationthe Waterdrop direct connect undersink water filtration system uses innovative five-stage filtration. tested against nsf standards, it removes 99% of chlorine, heavy metals (including lead, mercury, and arsenic), and chemical contaminants such as fluoride. it also filters out sediment and other large particles, thereby preventing scale buildup. enjoy healthy and pure water straight from your tap no need to buy bottled water anymore! Ultra-long service lifewhen used with municipal water, each filter has a maximum service life of 24 months or 16,000 gallons. (this may vary based on water conditions.) Fast flow rate & multiple usesthe fast and stable water supply provides pure and fresh water that tastes like spring water. the tested full flow rate is 2.0 gpm at 60 psi. developed for household and commercial use, the undersink water filtration system can be installed in your kitchen, bathroom, rv, or office to meet your daily water needs. ideal for drinking, cooking, skincare, and cleaning. Superior materialactivated carbon block and other advanced filter media ensure efficient and safe filtration. kdf effectively keep filter sanitary. the bpa-free, lead-free material ensures more reliable use from the inside out.

2
9.6
SCORE
APEC WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System

APEC Water Systems APEC WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System

by APEC Water Systems
What We like

System comes with 100% Lead-Free chrome faucet, plus FDA certified JG food grade tubing to provide safe, odorless, chlorine-free clean water

more infoarrow_drop_down

Product Features

  • Premium long-lasting filters used to treat tap water, well water. Provide unlimited refreshing water
  • High quality, designed, engineered and assembled in the USA; System built with US MADE super capacity filters for long lasting dependable filtration
  • Feed Water Pressure: 20-85 psi

High quality, designed, engineered and assembled in the usa; system built with us made super capacity filters for long lasting dependable filtration Premium long-lasting filters used to treat tap water, well water. provide unlimited refreshing water Feed water pressure: 20-85 psi

3
9.4
SCORE
AQUA CREST 3US-PF01 Under Sink Water Filter, Replacement for Filtrete Advanced 3US-PF01, 3US-MAX-F01H, 3US-PF01H, Delta RP78702, Manitowoc K-00337, K-00338 Water Filter, Pack of 3

AQUA CREST 3US-PF01 Under Sink Water Filter

Replacement for Filtrete Advanced 3US-PF01, 3US-MAX-F01H, 3US-PF01H, Delta RP78702, Manitowoc K-00337, K-00338 Water Filter, Pack of 3

by AQUA CREST
What We like

Stable flow rateProvides you with stable filtered water without obvious pressure drops. The filtration is efficient enough to provide you with the best drinking experience.

more infoarrow_drop_down

Product Features

  • Long-lasting service lifeEnjoy fresh water by replacing your filter every 6 months or 2000 gallons. Whichever comes first will vary based on water quality.
  • High-efficiency filtrationUses premium coconut carbon block to reduce 98% of chlorine. It has also been tested to reduce heavy metals, taste and odor, sediment, rust and so on. The high-efficiency filtration is dedicated to providing you with an excellent water experience.
  • Safe materialUses food-grade plastic housing and will not leach contaminants back into your water. It can also prevent bursting to bring you a satisfying and safe experience. Specially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard.
  • Compatible with the following models3M Filtrete 3US-PF01, 3US-MAX-F01, 3US-PF01H, 3US-MAX-F01H, Aqua-Pure C-Cyst-FF Filter Cartridge; fits 3US-PS01, 3US-MAX-S01 Systems; fits 3M HF25, HF25-S, HF25-MS; fits Delta RP78702, Manitowoc K-00337, K-00338; fits AR10000 Water Filter Systems. AquaCrest is an independent brand. This filter is not an original product. Please note that the compatible model numbers of the Filtrete products are quite similar.

Safe materialuses food-grade plastic housing and will not leach contaminants back into your water. it can also prevent bursting to bring you a satisfying and safe experience. specially selected premium materials are lead-free, which is fully certified by the wqa against nsf 372 standard. Compatible with the following models3m filtrete 3us-pf01, 3us-max-f01, 3us-pf01h, 3us-max-f01h, aqua-pure c-cyst-ff filter cartridge; fits 3us-ps01, 3us-max-s01 systems; fits 3m hf25, hf25-s, hf25-ms; fits delta rp78702, manitowoc k-00337, k-00338; fits ar10000 water filter systems. aquacrest is an independent brand. this filter is not an original product. please note that the compatible model numbers of the filtrete products are quite similar. High-efficiency filtrationuses premium coconut carbon block to reduce 98% of chlorine. it has also been tested to reduce heavy metals, taste and odor, sediment, rust and so on. the high-efficiency filtration is dedicated to providing you with an excellent water experience. Long-lasting service lifeenjoy fresh water by replacing your filter every 6 months or 2000 gallons. whichever comes first will vary based on water quality.

4
9.3
SCORE
Aquasana 2-Stage Under Sink Water Filter System with Chrome Faucet

Aquasana 2-Stage Under Sink Water Filter System with Chrome Faucet

by Aquasana
What We like

Full system NSF certified to standards 42, 53, 401 +P473 - will not leach contaminants back into your water

more infoarrow_drop_down

Product Features

  • Retains the healthy minerals - Claryum filtration keeps calcium, potassium, and magnesium for the healthiest drinking water
  • Removes up to 99% of 77 contaminants including lead, mercury, asbestos, herbicides, pesticides, pharmaceuticals, and more
  • Nothing added and zero waste - no water is wasted and no harmful contaminants are added to your water during filtration
  • Only 10 cents per gallon - 12 times the capacity of the leading gravity pitcher. Healthy, clean water for less
  • Includes first set of filters and all parts required for DIY installation - no plumber required

Stylish all metal faucet included in the finish of your choice to match your kitchen decor - 100% lead free Removes up to 99% of 77 contaminants including lead, mercury, asbestos, herbicides, pesticides, pharmaceuticals, and more Only 10 cents per gallon - 12 times the capacity of the leading gravity pitcher. healthy, clean water for less Nothing added and zero waste - no water is wasted and no harmful contaminants are added to your water during filtration Includes first set of filters and all parts required for diy installation - no plumber required Retains the healthy minerals - claryum filtration keeps calcium, potassium, and magnesium for the healthiest drinking water

5
8.7
SCORE
Star S07UF06C Under Sink Counter Carbon Water Filter System Removes Bad Taste and Oder, Long Lasting, Made in the USA

Star S07UF06C Under Sink Counter Carbon Water Filter System Removes Bad Taste and Oder

Long Lasting, Made in the USA

by Star Water Systems
What We like

COMPACT & EASY TO INSTALL - Easily replaces standard cartridge filters and is compact size (7 W x 20 H) fits conveniently under standard kitchen sink - For use on private or municipal water systems

more infoarrow_drop_down

Product Features

  • CHEMICAL FREE FILTRATION - this under counter water filter uses granular activated carbon and removes bad taste, odors, chlorine, organic chemicals, pesticides, and herbicides
  • WASTES NO WATER & USES NO ELECTRICITY - This under counter water filter allows a normal rate of water flow of approximately 3 gallons per minute through the faucet
  • REDUCES CHEMICALS - reduces chlorine, municipal treatment chemical byproducts and effectively reduces over 100 EPA priority contaminants - includes 5 micron sediment filter

Reduces chemicals - reduces chlorine, municipal treatment chemical byproducts and effectively reduces over 100 epa priority contaminants - includes 5 micron sediment filter Chemical free filtration - this under counter water filter uses granular activated carbon and removes bad taste, odors, chlorine, organic chemicals, pesticides, and herbicides Wastes no water & uses no electricity - this under counter water filter allows a normal rate of water flow of approximately 3 gallons per minute through the faucet

6
8.5
SCORE
Aquasana 2-Stage Under Sink Water Filter System with Brushed Nickel Faucet

Aquasana 2-Stage Under Sink Water Filter System with Brushed Nickel Faucet

by Aquasana
What We like

Full system NSF certified to standards 42, 53, 401 +P473 - will not leach contaminants back into your water

more infoarrow_drop_down

Product Features

  • Only 10 cents per gallon - 12 times the capacity of the leading gravity pitcher. Healthy, clean water for less
  • Removes up to 99% of 77 contaminants including lead, mercury, asbestos, herbicides, pesticides, pharmaceuticals, and more
  • Includes first set of filters and all parts required for DIY installation - no plumber required
  • Nothing added and zero waste - no water is wasted and no harmful contaminants are added to your water during filtration
  • Retains the healthy minerals - Claryum filtration keeps calcium, potassium, and magnesium for the healthiest drinking water

Removes up to 99% of 77 contaminants including lead, mercury, asbestos, herbicides, pesticides, pharmaceuticals, and more Retains the healthy minerals - claryum filtration keeps calcium, potassium, and magnesium for the healthiest drinking water Includes first set of filters and all parts required for diy installation - no plumber required Stylish all metal faucet included in the finish of your choice to match your kitchen decor - 100% lead free Nothing added and zero waste - no water is wasted and no harmful contaminants are added to your water during filtration Only 10 cents per gallon - 12 times the capacity of the leading gravity pitcher. healthy, clean water for less

7
8.5
SCORE
Waterdrop TSC Under Sink Water Filter System, USA Tech, Smart Filter Life Reminder, Remove 99% of Lead, Fluoride, Chlorine, Bad Taste and Odor, 0.5 Micron

Waterdrop TSC Under Sink Water Filter System

USA Tech, Smart Filter Life Reminder, Remove 99% of Lead, Fluoride, Chlorine, Bad Taste and Odor, 0.5 Micron

by Waterdrop
What We like

DIY installation & 3-second filter replacement The dual carbon block water filtration system comes with a brushed nickel faucet, a 1/4 inlet hose, a 3/8 outlet hose, a 3/8-1/2 feed water adapter, and other necessary accessories. Designed for home DIY, this under sink water filter system can be installed completely in less than 30 minutes. While in just 3 seconds, the filter can be changed with a single twist-pull.

more infoarrow_drop_down

Product Features

  • Advanced integrated waterwayThis drinking water filter system adopts a cutting-edge integrated waterway to prevent water leakage, which allows you to replace the filters without cutting off the water supply. This provides you with a safe and secure water purification experience.
  • Money save design The battery-driven water filter system does not require an undersink electricity supply and produces prime-quality purified water with zero waste water, allowing you to drink pure water and enjoy your exquisite life at a reasonable price.
  • Smart filter life indicatorThe smart indicating system allows you to check the working mode at a glance. By changing color, the electronic indicators on the front panel notify you when its time to replace the filters, thereby ensuring safe, clean, and healthy purified water all day long!
  • Effectively Filtration This under sink water filter system tested against NSF standards, effectively adsorb 99% of chlorine, lead, mercury, fluoride, arsenic, taste and odor. Compare with the traditional separated triple stage filter system, this system use high quality coconut carbon block, activates water molecules, significantly improves the taste of water.

Money save design the battery-driven water filter system does not require an undersink electricity supply and produces prime-quality purified water with zero waste water, allowing you to drink pure water and enjoy your exquisite life at a reasonable price. Advanced integrated waterwaythis drinking water filter system adopts a cutting-edge integrated waterway to prevent water leakage, which allows you to replace the filters without cutting off the water supply. this provides you with a safe and secure water purification experience. Smart filter life indicatorthe smart indicating system allows you to check the working mode at a glance. by changing color, the electronic indicators on the front panel notify you when its time to replace the filters, thereby ensuring safe, clean, and healthy purified water all day long! Effectively filtration this under sink water filter system tested against nsf standards, effectively adsorb 99% of chlorine, lead, mercury, fluoride, arsenic, taste and odor. compare with the traditional separated triple stage filter system, this system use high quality coconut carbon block, activates water molecules, significantly improves the taste of water.

8
7
SCORE
3M Aqua-Pure Under Sink Dedicated Faucet Replacement Water Filter Cartridge AP Easy C-Complete, for use with AP Easy Complete system

3M Aqua-Pure Under Sink Dedicated Faucet Replacement Water Filter Cartridge AP Easy C-Complete

for use with AP Easy Complete system

by 3M
What We like

COMPATIBLE WITH DEDICATED FAUCET SYSTEM - This filter cartridge is for use with the AP Easy Complete system, which comes with a dedicated drinking water system faucet

more infoarrow_drop_down

Product Features

  • NSF STANDARD 42 AND STANDARD 53 CERTIFIED - Tested and certified by one of the world's most respected independent certification organizations that helps protect the world's food, water, consumer products, and environment
  • UNIVERSAL DESIGN - The universal system design allows for use on both chlorinated (municipal) and non-chlorinated (well water) systems
  • COMPACT DESIGN - This slim, compact cartridge takes up limited space under your sink
  • CLEARLY GREAT WATER - This filter cartridge reduces particulate, chlorine taste and odor, asbestos, parasitic protozoan cysts

Compact design - this slim, compact cartridge takes up limited space under your sink Universal design - the universal system design allows for use on both chlorinated (municipal) and non-chlorinated (well water) systems Clearly great water - this filter cartridge reduces particulate, chlorine taste and odor, asbestos, parasitic protozoan cysts Nsf standard 42 and standard 53 certified - tested and certified by one of the world's most respected independent certification organizations that helps protect the world's food, water, consumer products, and environment

9
7
SCORE
Woder WD-S-8K-DC Water Filtration System - WQA Certified – USA Made Ultra High Capacity Direct Connect Under Sink Water Filter - Removes Chlorine, Lead, Chromium 6, Heavy Metals, Odors/Contaminants

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

WQA Certified – USA Made Ultra High Capacity Direct Connect Under Sink Water Filter, Removes Chlorine, Lead, Chromium 6, Heavy Metals, Odors/Contaminants

by Woder
What We like

USA MADE - NO PLUMBING REQUIRED Comes with Direct Connect hoses that fit standard 3/8 water valves under US kitchen and bathroom sinks. The 3/8 Direct Connect Hose are made to install directly to the existing cold water valve and faucet stem under your sink. Replacement filters ASIN B0144MFN92.

more infoarrow_drop_down

Product Features

  • SELECTIVE FILTRATION - Woder filters have a unique technology that removes over 99.99% of contaminants while leaving in all essential minerals (Reverse osmosis filter out everything, including the minerals your body needs. As far as nutrition goes, experts consider it essentially dead water).
  • PURE AND HEALTHY WATER WITH NO MORE BOTTLES IN THE FRIDGE - Eliminates lead (99.9%), heavy metals, chlorine (99.9%), chromium 6, mercury, volatile organic compounds, carcinogens, and other contaminants, as well as turbidity, odors and bad tastes, so you and your family enjoy pure, healthy, spring-fresh water from the tap.
  • ULTRA HIGH CAPACITY WQA Gold Seal Certified 8,480 GALLONS - Notes: For longest life, use with municipal treated cold water only, not well water. Do not use with salty or softened water. Connects for use only with cold water for drinking.
  • WQA GOLD SEAL CERTIFIED to NSF/ANSI 42 for Chlorine, taste, odor and NSF/ANSI 372 for lead free compliance as verified and substantiated by test data. Flow rate 2GPM @65 psig

Pure and healthy water with no more bottles in the fridge - eliminates lead (99.9%), heavy metals, chlorine (99.9%), chromium 6, mercury, volatile organic compounds, carcinogens, and other contaminants, as well as turbidity, odors and bad tastes, so you and your family enjoy pure, healthy, spring-fresh water from the tap. Ultra high capacity wqa gold seal certified 8,480 gallons - notes: for longest life, use with municipal treated cold water only, not well water. do not use with salty or softened water. connects for use only with cold water for drinking. Selective filtration - Woder filters have a unique technology that removes over 99.99% of contaminants while leaving in all essential minerals (reverse osmosis filter out everything, including the minerals your body needs. as far as nutrition goes, experts consider it essentially dead water). Wqa gold seal certified to nsf/ansi 42 for chlorine, taste, odor and nsf/ansi 372 for lead free compliance as verified and substantiated by test data. flow rate 2gpm @65 psig

10
7
SCORE
Waterdrop 17UA Under Sink Water Filter System, Main Faucet Under Counter Water Filtration System, Removes 99% Chlorine and Reduce Lead, Bad Taste & Odor, 3 Years Ultra Long Lifetime, USA Tech, 0.5μm

Waterdrop 17UA Under Sink Water Filter System

Main Faucet Under Counter Water Filtration System, Removes 99% Chlorine and Reduce Lead, Bad Taste & Odor, 3 Years Ultra Long Lifetime, USA Tech, 0.5μm

by Waterdrop
What We like

Easy installationThe system should be connected only to a cold water supply. With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds. The system includes a 3/8 hose with a direct connection that adapts to standard 3/8 feed water valves under US sinks. The 3/81/2 convertor fitting helps you connect the system to both 1/2 and 3/8 cold water lines and faucets.

more infoarrow_drop_down

Product Features

  • Innovative five-stage filtrationThe Waterdrop Direct Connect Undersink Water Filtration System uses innovative five-stage filtration. Tested against NSF standards, it removes 99% of chlorine. And it can effectively reduces heavy metals (including lead, mercury, arsenic), and chemical contaminants such as fluoride. It also filters out sediment and other large particles, thereby preventing scale buildup. Enjoy healthy and pure water straight from your tap no need to buy bottled water anymore!
  • Fast flow rate & multiple usesThe fast and stable water supply provides pure and fresh water that tastes like spring water. The tested full flow rate is 2.0 gpm at 60 psi. Developed for household and commercial use, the Undersink Water Filtration System can be installed in your kitchen, bathroom, RV, or office to meet your daily water needs. Ideal for drinking, cooking, skincare, and cleaning.
  • Ultra-long service lifeWhen used with municipal water, each filter has a maximum service life of 3 years or 19,000 gallons. (This may vary based on water conditions.)

Innovative five-stage filtrationthe Waterdrop direct connect undersink water filtration system uses innovative five-stage filtration. tested against nsf standards, it removes 99% of chlorine. and it can effectively reduces heavy metals (including lead, mercury, arsenic), and chemical contaminants such as fluoride. it also filters out sediment and other large particles, thereby preventing scale buildup. enjoy healthy and pure water straight from your tap no need to buy bottled water anymore! Fast flow rate & multiple usesthe fast and stable water supply provides pure and fresh water that tastes like spring water. the tested full flow rate is 2.0 gpm at 60 psi. developed for household and commercial use, the undersink water filtration system can be installed in your kitchen, bathroom, rv, or office to meet your daily water needs. ideal for drinking, cooking, skincare, and cleaning. Ultra-long service lifewhen used with municipal water, each filter has a maximum service life of 3 years or 19,000 gallons. (this may vary based on water conditions.)

expand_less

I Agree
We use cookies to enhance and personalise your experience with us by collecting information about the pages you visit and actions taken on the site. More details