13 Best Replacement Under-Sink Water Filters

List Updated December 2019

Bestselling Replacement Under-Sink Water Filters in 2019


Filtrete Maximum Under Sink Water Filtration Filter, Reduces 99% Lead + Much More (3US-MAX-F01)

Filtrete Maximum Under Sink Water Filtration Filter, Reduces 99% Lead + Much More (3US-MAX-F01)
BESTSELLER NO. 1 in 2019
  • Maximum level filtration reduces 99% lead, 99% microbial cysts, 97% chlorine taste & odor, 0.5 microns of sand, sediment, rust & soil
  • Tested and certified by NSF international against NSF/ANSI standard 42 and 53 in 3US-MAX-F01 3us-max-s01 for the reduction of the claims specified on the performance data sheet
  • 1/4 turn change filter replacement lasts 6 months or 1500 gallons
  • Maintains high full water flow rates of 1.5 gallons per minute on your existing kitchen or bath faucet
  • Maximum, advanced and standard replacement filters are interchangeable with system
  • This product is intended to be used on a potable cold water supply only. Your water must be safe for consumption prior to installing and using the product

Aquasana AQ-5300R 3-Stage Under Sink Water Filter Replacement Cartridges

Aquasana AQ-5300R 3-Stage  Under Sink Water Filter Replacement Cartridges
BESTSELLER NO. 2 in 2019
  • Replacement filters for the AQ-5300 3-Stage Water Filter System to be used with the following systems: AQ-5300.55, AQ-5300.56, and AQ-5300.62
  • Use only genuine Aquasana replacements with your Aquasana system - untested replacements are not certified for performance capacity or contaminant removal
  • Replacements are an easy twist - no need to disconnect hoses or water lines. Simply twist off the filter housing, replace the filter, and twist back on. - no plumber necessary!
  • Reduces up to 99% of 77 contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, and more
  • Full system certified to NSF standards 42, 53, 401, and P473 - will not leach contaminants back into your water
  • Ultra-Delicious - Claryum filtration retains beneficial minerals, like calcium and potassium, for great tasting water

InSinkErator F-1000 Replacement Water Filter, 1-Pack of Under Sink Water Filter Cartridge for Water Filtration Kit

InSinkErator F-1000 Replacement Water Filter, 1-Pack of Under Sink Water Filter Cartridge for Water Filtration Kit
BESTSELLER NO. 3 in 2019
  • One replacement water filter for use with InSinkErator water filtration system
  • Replacement water filter reduces chlorine taste and order and other particulates down to 5 micron for clean, great-tasting water
  • Sanitary, quick-change filter cartridge and twist-and-lock design for easy filter changes
  • Recommended to replace water filter every 6 months for optimal performance
  • Compatible with InSinkErator F-1000S and F-2000S filtration system only; not for use with InSinkErator SST-FLTR stainless steel tank and filtration system

InSinkErator F-201R Replacement Water Filter Cartridges for Water Filtration Systems and Hot Water Dispensers, 2-Pack Under Sink Water Filters ,White

InSinkErator F-201R Replacement Water Filter Cartridges for Water Filtration Systems and Hot Water Dispensers, 2-Pack Under Sink Water Filters ,White
BESTSELLER NO. 4 in 2019
  • Replacement water filter reduces chlorine and odor for clean, great-tasting water
  • Sanitary, quick-change filter cartridge makes replacement fast and easy
  • Recommended filter cartridge replacement every 6 to 12 months for optimal performance filtering water
  • Includes 2 InSinkErator F-201R replacement water filter cartridges for instant hot water dispensers and F-201 Filtration System
  • NSF Standard 42 Listed Certification. NSF is a Public Health and Safety Organization that has strict standards for public health protection

3M Aqua-Pure Under Sink Replacement Water Filter – Model AP-DW80/90

3M Aqua-Pure Under Sink Replacement Water Filter – Model AP-DW80/90
BESTSELLER NO. 5 in 2019

Woder 10K-Gen3 Ultra High Capacity Direct Connect Water Filtration System - Under Sink Filter Premium Class I - Removes Chlorine, Lead, Chromium 6, Heavy Metals, Bad Tastes, Odors And Contaminants

Woder 10K-Gen3 Ultra High Capacity Direct Connect Water Filtration System - Under Sink Filter Premium Class I - Removes Chlorine, Lead, Chromium 6, Heavy Metals, Bad Tastes, Odors And Contaminants
BESTSELLER NO. 6 in 2019
  • LASTS FOR A MINIMUM OF 3 YEARS OR 10,000 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.
  • 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.
  • 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.
  • 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).
  • ENJOY TAP WATER AS PURE AND HEALTHY AS SPRING WATER - Woder filters are tested by independent laboratories to ANSI standards (American National Standards Institute), so you can have complete confidence in the quality of Woder-filtered water. Flow rate 2GPM @65 psig

General Electric GXULQR Kitchen or Bath Replacement Filter

General Electric GXULQR Kitchen or Bath Replacement Filter
BESTSELLER NO. 7 in 2019
  • Quick replace design
  • Elegant design and finish
  • The product is manufactured in China
  • The GE GXULQR water filter can be easily changed with the "Twist and Lock" mechanism
  • Filters cold water supply at faucet
  • he GE SmartWater GXULQR replacement water filter reduces cysts, chlorine taste & odor, turbidity and sediment
  • GE SmartWater GXULQR Water Filter is a replacement cartridge for use with: GE GXULQ Full Flow Water Filtration System
  • You should replace the GE GXULQR Filter every 2000 gallons or six months, whichever comes first. You may need to replace your GE water filter earlier if your water has a bad taste or odor

EcoPure Reverse Osmosis Under Sink Replacement Water Filter Set (ECOROF) | NSF Certified | Fits ECOP30 System | 6-Month Filter Life

EcoPure Reverse Osmosis Under Sink Replacement Water Filter Set (ECOROF) | NSF Certified | Fits ECOP30 System | 6-Month Filter Life
BESTSELLER NO. 8 in 2019
  • COMPATIBLE: Designed for use in the EcoPure ECOP30 Reverse Osmosis Undersink Water Filtration System and Kenmore Reverse Osmosis Systems 42-38156 and 42-38556
  • 6-MONTH FILTER LIFE: For best filtration results, filters should be replaced every six months, as recommended
  • PREMIUM PROTECTION: Certified by the National Sanitation Foundation (NSF) to reduce numerous contaminants, including sediment, chlorine taste & odor, cysts, lead, chemicals, and total-dissolved solids
  • EFFICIENT: Encapsulated filter design means water filter changes are quick and mess-free. No tools required. No need to shut off water supply. No touching dirty filters.
  • HELPFUL: Faucet light tells you when it's time to replace your filters. Still want filter-change reminders? Text 'EcoPure' to 444999 to sign up. Questions? Our lifetime technical support staff is available-call the EcoPure helpline at (800) 693-1138 or visit ecopure.com

GE FQSVF Drinking Water System Replacement Filter Set

GE FQSVF Drinking Water System Replacement Filter Set
BESTSELLER NO. 9 in 2019
  • Reduces chlorine, cysts, lead, select VOCs and other contaminants
  • Replacement for GXSV65R
  • Includes two "twist and lock" filters
  • Replace every 6 months or 160 gallons

Omnifilter T01-DS Omni TO1-DS Whole House Replacement Under Sink Water Filter Carbon Wrapped Cartridge (2-Pack) Taste & Odor TO1 DS T01 DS Series C (Twin Pack) Water Filter

Omnifilter T01-DS Omni TO1-DS Whole House Replacement Under Sink Water Filter Carbon Wrapped Cartridge (2-Pack) Taste & Odor TO1 DS T01 DS Series C (Twin Pack) Water Filter
BESTSELLER NO. 10 in 2019
  • 5 Micron Rating Reduces dirt, sediment, chlorine taste and odor
  • Flow Rate of 5.0 Gallons per minute Helps you maintain or significantly improve the quality of your water
  • Reduces the following contaminants, Sediment, Rust, Corrosion Chlorine Taste & Odor Filter Life 15,000 Gallons
  • Stored, Packed & Shipped by Amazon, Eligible for Free Shipping For Prime Customers
  • Genuine OEM Product, Amazon Customer Service 24 x 7, Track your delivery to your door

Aquasana AQ-5300+R 3-Stage Max Flow Under Sink Water Filter Replacement Cartriges

Aquasana AQ-5300+R 3-Stage Max Flow Under Sink Water Filter Replacement Cartriges
BESTSELLER NO. 11 in 2019
  • Replacement filters for the Aquasana 3-Stage Max Flow Water Filter System: AQ-5300+.55, AQ-5300+.56, and AQ-5300+.62
  • Use only genuine Aquasana replacements with your Aquasana system - untested replacements are not certified for performance capacity or contaminant removal
  • Replacements made easy - simply twist off the filter housing, replace the filter, and twist back on. No plumber needed
  • Reduces up to 99% of 77 contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more
  • Instant access to healthy water - keeps you and your family hydrated all day. Now with 44% faster flow rate, your AQ-5300+ powers through 0.72 gallons per minute

WaterChef UR90 Under-Sink Filter Replacement Cartridge (for U9000 Filtration Systems)

WaterChef UR90 Under-Sink Filter Replacement Cartridge (for U9000 Filtration Systems)
BESTSELLER NO. 12 in 2019

Universal 10 inch Carbon Block Water Filter Cartridge - Replacement CTO Water Purifier Filter, Activated Carbon (NSF 42 Certified) (3)

Universal 10 inch Carbon Block Water Filter Cartridge - Replacement CTO Water Purifier Filter, Activated Carbon (NSF 42 Certified) (3)
BESTSELLER NO. 13 in 2019
  • UNSURPASSED PERFORMANCE - Effectively removes 97% of Chlorine, Class I Particulates, bad taste and odor, VOCs (Volatile Organic Compounds), and radon.
  • LONG LASTING WATER FILTER - Conveniently delivers up to 1000 gallons of healthy clean water with a filtration accuracy of 0.01~0.1um.
  • UNIVERSAL 10-INCH CARTRIDGE - Fits most under-sink and countertop water filtration systems
  • SAFE & CERTIFIED - Every replacement water filter cartridge is NSF 42 Certified
  • SATISFACTION GUARANTEE - Every unit is backed by a complete 30-day money back guarantee. If you don't love how easy it is to use and the water it produces, return it for a full, no questions asked refund.

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