The Best Replacement Under-Sink Water Filters

Looking for the best Replacement Under-Sink Water Filters?

Discover now our comparison of the best Replacement Under-Sink Water Filters. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Replacement Under-Sink Water Filters are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Replacement Under-Sink Water Filters in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1

APEC ESSENCE Series 50 GPD Complete Replacement Filter For Undersink System(FILTER-MAX-ES50)

APEC Water ESSENCE Series FILTER-MAX-ES50 is for ROES-50.
1st stage 5 micron sediment filter to remove dust, particles and rust
2nd and 3rd stage 10 micron extruded carbon block filter to remove chlorine, taste and odor
4th stage high Rejection TFC reverse osmosis membrane removes a wide range of contaminants
5th stage standard capacity coconut shell carbon filter removes any last residuals

SaleNo. 2

1 Micron 2.5" x 10" Whole House CTO Carbon Water Filter Cartridge Replacement for Under Sink Water Filter System, Dupont WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, WHCF-WHWC, AMZN-SCWH-5, 4Pack

❄️【Authoritative Certifications】 - The filter is certified against NSF/ANSI 42 by IAPMO, filtering out 99% Chlorine, odor and improve water taste significantly. It also certified by European , Canadian CSA, BPA Free and Australian Water Mark. Only select products with authoritative certifications for your loved ones.
❄️️【HIGH CAPACITY】 The CTO carbon filter can filter up to 13000 gallons depending on water quality. Suggest to replace it every 3- 6 months for the average household for optimal performance depending on the use. Let it bring a wonderful cleaner water experience to your loved ones.
❄️️【COMPATIBLE FILTERS】 - The filter can be used in any standard 10” x2.5” RO Unit whole house filtration system and compatible with standard 10 inch X 2.5 inch filter models of DuPont WFPFC8002, WFPFC9001, SCWH-5, Whirlpool WHCF-WHWC, Pentek CBC-10, GE FXWTC, FX12P, GXWH20F, Culligan D-10A & D-10, Aquaboon CTO, Ace Hardware 84608, Apex IR-40, Cornelius COR10B1, COR10B5, Dupont DWC30001, PFC8002, WFDWC30001, WFPFC8002, WFPFC9001, 46942, EcoLab 9320-1002, Everpure CG5-10, DEV9108-15, Flotec TO1, ICEPURE CTO10.
❄️️【 HIGHER QUALITY FILTRATION】 - Carbon is well known for its unique absorbing ability, a pound of carbon is able to provide up 125 acres of filtering surface area. Our RO carbon filter is made of 100% coconut shell activated carbon block to filter most sediments, Sintering Technology ensures high absorbing capacity offers a much finer filtration of suspended particles and dirt.
❄️️【STRICT QUALITY CONTROL】 - All water filter home cartridge are produced under the ISO9001 standard and inspected under strict quality control. Each filter is produced through 34 production processes, 400PSI pressure test, 10,000 water hammer tests, and 6 independent tests.
❄️【WHY PUREPLUS】PUREPLUS has 20 years of expertise and 200 patents in the water filtration industry. Every year it provides filtration solutions to more than 200 million family worldwide, uses advanced filtration technology to ensure high quality water. Trust us, make PUREPLUS your resolution.

No. 3

Waterdrop RF10 Replacement Filter Cartridge for 10UA/10UB Under Sink Water Filter, Reduces PFAS, PFOA/PFOS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 11K Gallons High Capacity

【Compatible model】Compatible Replacement Filter for Waterdrop 10UA under sink water filter system (ASIN B083NPW1DN), 10UB under sink water filter system (ASIN B089CKQGL1). This undersink filter brings you purified water from your original faucet or your dedicated faucet. Get easy access to clean, safe, and healthy purified water with Waterdrop!
【Ultra-long service life】 When used with municipal water, each Undersink Water Filter has a maximum service life of 1 year or 11,000 gallons.[1]
【Innovative multistage filtration】The Waterdrop Undersink Water Filtration Replacement Filter uses innovative multistage filtration. And it can effectively reduces PFAS, PFOA/PFOS, heavy metals, chemical impurity, sediment and other large particles.[2] Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore!
【IAPMO certified filter】Made from premium BPA-free and lead-free materials, the under sink replacement filter is certified by IAPMO against NSF/ANSI 372 Standard, ensuring reliable use from inside to outside. Certified by IAPMO against NSF/ANSI 42 Standard, the water filter can effectively reduce chlorine, taste and odor. Tested by third party laboratory against NSF/ANSI 53 standard it can reduce lead.
【Quick replacement】The twist-and-lock design of the undersink filter ensures that you can replace it in 3 seconds without any tools, saving you time and effort.

SaleNo. 4

Elkay 51300C WaterSentry Plus Replacement Filter Cartridge for WaterSentry Plus Filtration System in EZH20 Bottle Fillers - N/A

Replacement filter for Elkay bottle filling stations and ezH2O Liv
Filter is tested and certified to NSF/ANSI 42, 53 and 401 for the reduction of lead, microplastics, Class 1 particulate, cysts, and chlorine taste and odor
Filter should be replaced every 3,000 gallons or 1 year after installation
Equipped with quick-disconnect, 1/4-turn installation, as well as automatic inlet shut-off valve that closes when filter is removed
Provides filtration at the point of use where needed; Pairs with EWF3000 universal filtration kit to upgrade any beverage system or faucet to filtered

No. 5

GE FQK2J Under Sink Water Filter Replacement | Dual Flow | Reduces Sediment, Rust & Other Impurities from Water | Replace Every 6 Months for Best Results | 2 Water Filters Light Gray

Dual flow filtration: Water is filtered in parallel flow through advanced filtration filters
Includes two filters: Filters fit GXK285JBL, GXK295JNN, GXSL55R, GXSV65R and GNSV70R filtration systems, plus Pfister Clarify & LOTA filtration faucets
IAMPO Certified - Reduces select pharmaceuticals, select VOCs, lead, chlorine taste and odor and other chemicals
Twist and lock design: Simple design provides easy, tool-free, no-mess filter replacement. Feed Water Pressure (psi) - 35-125 psi. Feed Water Temperature - 33-100 F . Filter Capacity - 300.0 gal
Six-month filter life: Filter should be replaced every six months for best filtration results

No. 6

AO Smith Claryum Filter Replacement - 2 Pack - AO-US-200-R

Replacement filter for: The Clean Water Filter - 2-Stage (AO-US-200) - Easily replace yourself without the need of a plumber.
Advanced Filtration - Reduces up to 99% of 78 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more.
Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance.
2 Pack of Claryum filters which reduce harmful contaminants – Those you can see, smell and taste, and those you can’t – for optimally clean water.
WQA Certified to NSF standards 42, 53, and 401.

No. 7

iSpring F3 NSF Certified 6-Month Prefilter Replacement Water Filter Cartridge Pack Set for Standard Reverse Osmosis RO Systems

Individually wrapped 6-month high capacity prefilter replacement cartridge pack for most standard RO filtration systems
Experience clean, safe, and good-tasting water every time you turn on the faucet
3 pieces of 10" x 2. 5" replacement water filters included: 1x sediment filters, 1x granular activated carbon filters, and 1x carbon block filters.
This filter pack does NOT include an RO membrane
If you have trouble installing the filters, please refer to the user manual or contact us

No. 8

Aquasana Replacement Filter Cartridges for 2-Stage Under Sink Water Filtration System - Filters 99% Of Chlorine - 2 Count - AQ-5200R, Red and Yellow

Replacement filter pack for Aquasana 2-stage under sink water filtration systems: AQ-5200. 55, AQ-5200. 56, AQ-5200. 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
Powered Active Filtration - tested and certified to reduce over 99% of over 78 contaminants including chlorine and lead
Genuine, certified Aquasana replacements are WQA tested and certified to NSF/ANSI Standards 42, 53 (includes P473), and 401.

No. 9

Waterdrop RF15 Replacement Filter Cartridge For 15UA/15UB/15UC Under Sink Water Filter, Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 19K Gallons High Capacity

【Compatible model】Compatible Replacement Filter for Waterdrop 15UA under sink water filter system (ASIN B083NR5DVY), 15UB under sink water filter system (ASIN B089CVMPGR) and 15UC Inline Water Filter for Refrigerator (ASIN B085G9T9TB). Compatible with all three methods of connection, this undersink filter brings you purified water from your original faucet, your dedicated faucet, or your refrigerator. Get easy access to clean, safe, and healthy purified water with Waterdrop!
【Ultra-long service life】When used with municipal water, each Undersink Water Filter has a maximum service life of 2 years or 19,000 gallons.[1]
【Solve Clogging Problem】 By upgrading the filtration area, our filter now provides a 20X increase in dirt adhesion area, enhancing filtration capability while minimizing the risk of clogging.
【Innovative multistage filtration】The Waterdrop Undersink Water Filtration Replacement Filter uses innovative multistage filtration. And it can effectively reduces PFOA/PFOS, PFAS, lead, heavy metals, chemical impurity, sediment and other large particles.[2] Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore!
【IAPMO certified filter】Made from premium BPA-free and lead-free materials, the under sink replacement filter is certified by IAPMO against NSF/ANSI 372 Standard, ensuring reliable use from inside to outside. Certified by IAPMO against NSF/ANSI 42 Standard, the water filter can effectively reduce chlorine, taste and odor. Tested by third party laboratory against NSF/ANSI 53 standard it can reduce lead.
【Quick replacement】The twist-and-lock design of the undersink filter ensures that you can replace it in 3 seconds without any tools, saving you time and effort.

No. 10

Waterdrop 3US-MAX-F01 Maximum Under Sink Water Filter, Replacement for Filtrete® 3US-PF01, 3US-PS01, 3US-MAX-S01, Aqua-Pure C-Cyst-FF, Manitowoc K-00337, K-00338, NSF/ANSI 42 Certified, Pack of 2

【NSF/ANSI Certified Filter】Tested against NSF/ANSI 42 standards, it effectively reduces Chlorine. Activated carbon block and other advanced filter media ensure efficient and safe filtration.
【Premium Quality】Specially selected premium materials is fully certified by the IAPMO against NSF/ANSI 372 standard. The BPA-free, lead-free material ensures more reliable use from the inside out.
【Stable Flow Rate】 The tested full flow rate for waterdrop water filter is 0.75 gpm.The fast yet stable water flow gives you the same experience as your own faucet. This filter does not reduce TDS! Connected with the cold water valve only!
【New upgrade & Keep Water Fresh】After advanced upgrade, the model number is changed from WD-3US-PF01 into WD-W00.To keep your water fresh, replace your filter every 6 months or 15,000 gallons, whichever comes first will vary based on water condition.
【Replacement Model】3M Filtrete Maximum Filtration, 3US-PS01, 3US-MAX-S01 Systems, fits 3M Filtrete 3US-PF01, 3US-MAX-F01, 3US-PF01H, 3US-MAX-F01H. Fits 3M HF25, HF25-S, HF25-MS. Fits Manitowoc K-00337, K-00338, K00337, K00338, Delta RP78702, AR10000.

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Last update on 2025-07-05 / Affiliate links / Images from Amazon Product Advertising API

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