Top 30 Replacement Under-Sink Water Filters on Amazon (Verified You can Buy)
Top 1
INSINKERATOR F-1000 Under Sink Water Filter Replacement Cartridge for INSINKERATOR Water Filtration System, Chlorine Filter, White
InSinkErator
F-1000
4.25 x 4.75 x 13.25 inches
1.0 pounds
Ratings for InSinkErator (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
INSINKERATOR F-1000 REPLACEMENT WATER FILTER CARTRIDGE: 11.75-inch by 2.25-inch F-1000 chlorine filter for water with 500-gallon capacity; compatible with F-3000S, F-2000S, and F-1000S water filter systems
EFFECTIVE FILTRATION: Under sink water filter replacement cartridge that reduces particulates and chlorine taste and odor to help improve the taste of beverages
Top 2
Best Water Filtration & Softeners
Best Replacement Water Filters
Best for Water
Best for Activated Water
1 Micron 2.5" x 10" Whole House CTO Carbon Water Filter Cartridge Replacement for Countertop Water Filter System, Dupont WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, WHCF-WHWC, AMZN-SCWH-5, 4Pack
PUREPLUS
CTO10
2.5 x 2.5 x 10.0 inches
1.0 pounds
Ratings for PUREPLUS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| PUREPLUS | 6,530 | ✅ | ✅ | ✅ |
| PUREPLUS FILTERS | 6,965 | ✅ | ✅ | ✅ |
Features
❄ RECOGNIZED CERTIFICATION - Food Grade Material Meets European EC1935-2004 Regulations, Australia Water Mark, TUV, ROHS, REACH, BPA FREE Certified. This kind of filter is recommended for tap water filtration. PUREPLUS CTO10 filters up to 99% of Chlorine, sand, rust, sediment, color. If your water source is well water, this filter may not achieve the filtering effect you expect.
❄ 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.
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, 8K Gallons High Capacity
Waterdrop
WD-RF10
10.9843 x 3.7008 x 3.4646 inches
1.25 pounds
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Drink Clean | - | ✅ | ✅ | ✅ |
| WaterdropDirect | 306 | ✅ | ✅ | ✅ |
| Lifetech Filter | - | ❌ | ❌ | ❌ |
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
【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 8,000 gallons.[1]
APEC Water Systems FILTER-MAX-ES50 50 GPD High Capacity Complete Replacement Water Filter Set For Essence Series Reverse Osmosis Water Filter System ROES-50
APEC WATER
FILTER-MAX-ES50
12.0 x 10.0 x 6.0 inches
3.3995 pounds
Ratings for APEC WATER (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| APEC Water Systems | - | ❌ | ❌ | ❌ |
Features
APEC ROES-50 complete replacement filter set, compatible with most 10" standard under the counter reverse osmosis water systems
1st stage sediment filter to remove sediment, particles and rust
APEC Water Systems Filter-Set US Made Double Capacity Replacement Stage 1-3 for Ultimate Series Reverse Osmosis System, Standard, White
APEC WATER
FILTER-SET
11.5 x 9.3 x 4.8 inches
2.0 pounds
Ratings for APEC WATER (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| APEC Water Systems | - | ❌ | ❌ | ❌ |
Features
APEC ULTIMATE high capacity pre-filter set is USA made and built to last 2x longer than other brands
1st stage polypropylene sediment filter to remove sediment, particles, and rust
Top 6
AO Smith Advanced Direct Connect Under Sink Replacement Filter for AO-MF-ADV System - Claryum Filtration Reduces Up To 99% of 78 Harmful Contaminants - AO-MF-ADV-R
A. O. Smith
AO-MF-ADV-R
3.0 x 3.0 x 17.0 inches
3.0 pounds
Ratings for A. O. Smith (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| A. O. Smith Water Treatment | - | ❌ | ❌ | ❌ |
Features
Replacement Filter For The Advanced Main Under Sink Water Filter System (AO-MF-ADV) - Easy replacement and no plumber necessary. Includes one Claryum filter. Does NOT fit AO-MF, AO-FF, or AO-MF-B filter systems.
Advanced Filtration - Reduces up to 99% of 78 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more.
Top 7
AO Smith Claryum Filter Replacement - 2 Pack
A. O. Smith
AO-US-200-R
2.25 x 2.25 x 5.5 inches
0.97 pounds
Ratings for A. O. Smith (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| A. O. Smith Water Treatment | - | ✅ | ✅ | ✅ |
| Fannys Gifts | - | ✅ | ✅ | ✅ |
Features
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 77 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more.
Top 8
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
Waterdrop
WD-RF15
3.6 x 3.6 x 15.0 inches
1.81 pounds
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Drink Clean | - | ✅ | ✅ | ✅ |
| WaterdropDirect | 306 | ✅ | ✅ | ✅ |
| Lifetech Filter | - | ❌ | ❌ | ❌ |
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
【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]
PUREPLUS 5 Micron 10" x 4.5" Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE FXHTC, GXWH40L, GXWH35F, GNWH38S, Culligan RFC-BBSA, WRC25HD, PP10BB-CC, Pentek RFC-BB, 2Pack
PUREPLUS
PP10BB-CC
4.5 x 4.5 x 9.8 inches
3.5053 Pounds
Ratings for PUREPLUS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| PUREPLUS | 6,530 | ✅ | ✅ | ✅ |
| PUREPLUS FILTERS | 6,965 | ✅ | ✅ | ✅ |
Features
❄️ Recognized Certification - Food Grade Material Meets European EC1935-2004 Regulations, Australia Water Mark, TUV, ROHS, REACH, BPA FREE Certified. The filter reduces up to 99% of Chlorine, sand, rust, sediment, color. This kind of filter is recommended for tap water filtration. ❄️If your water source is well water, this filter may not achieve the filtering effect you expect. Check out our another product. Search “B01N9024NF” for well water filtration.
❄️ Multi-Layer Density Tech - The whole house water filter is designed with density three PP layers and Coconut Shell Activated Carbon Layer to remove most contaminants and deliver great fresh water. The multi-layer density tech can capture impurities targetedly and have 30% longer service life than the other common type.
Top 10
GE FQK2J Under Sink Water Filter Replacement | Dual Flow | NSF Certified: Reduces Sediment, Rust & Other Impurities from Water | Replace Every 6 Months for Best Results | 2 Water Filters Light Gray
GE
FQK2J
2.5 x 2.5 x 10.0 inches
Ratings for GE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| AquaGuard Depot | - | ❌ | ❌ | ❌ |
Features
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 & Lita filtration faucets
Top 11
ICEPURE WFC5300A Under Sink Water Filter system, 3 Years or 22000 Gallons Ultra High Life, Replacement for ICEPURE WFS5300A Under Sink Water Filtration System, Removes Heavy Metals,Chlorine
ICEPURE
WFC5300A
3.6 x 3.6 x 10.8 inches
1.6314 pounds
Ratings for ICEPURE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ICEPURE Store | 919 | ❌ | ❌ | ❌ |
Features
22000 Gallons Large Capacity - 0.5 Micron filter, ICEPURE Under Sink Water Filters have a large filtration capacity of 22000 gals or 3 years when used with municipal water. We recommend that you replace the filter every 3 Years for better filtration. Enjoy clean and fresh water all the time.
Authoritative Certification Material - Pursuing Excellent Quality. This filter bears major Authoritative Certifications on markets, such as NSF/ANSI 42 from IAPMO, European Food Grade Regulation EC-1935/2016, ROHS, REACH, BPA-Free, TUV, and Australian Water Mark. Removing over 99.99% of Heavy Metals,Chlorine, Bad Taste, Odor & contaminants, It also filters out Rust, sediment, and other large particles. We never compromise on product quality, and neither should you.
Top 12
Waterdrop RF15-UF 0.01 μm Water Filter Replacement for Waterdrop 15UA/15UA-UF/15UB/15UB-UF/15UC/15UC-UF Under Sink Water Filter, Reduces Lead, Chlorine, Bad Taste & Odor, 2 Years
Waterdrop
WD-RF15-UF
3.6 x 4.17 x 15.59 inches
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
【Compatible model】Compatible Replacement Filter for Waterdrop 15UA/15UA-UF under sink water filter system, 15UB/15UB-UF under sink water filter system, 15UC/15UC-UF Inline Water Filter for Refrigerator. 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 year or 19,000 gallons.[1]
APEC Water Systems FILTER-SET-ES High Capacity Replacement Pre-Filter Set For Essence Series Reverse Osmosis Water Filter System Stage 1-3
APEC WATER
FILTER-SET-ES
2.5 x 7.5 x 10.0 inches
2.0 Pounds
Ratings for APEC WATER (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
APEC Water ESSENCE Series FILTER-SET-ES is for ROES-50, ROES-PH75, ROES-PHUV75, ROES-UV75-SS and ROES-UV75
Includes (1) sediment and (2) carbon block filters to protect and extend the life of the RO system
Top 14
Best Water Coolers & Filters
Best Replacement Water Filters
Best for Water
Best for Activated Water
ICEPURE 1 Micron 2.5" x 10" Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002, WFPFC9001, SCWH-5, WHCF-WHWC, WHCF-WHWC, FXWTC, CBC-10, RO Unit, Pack of 4
ICEPURE
CTO10
2.5 x 2.5 x 10.0 inches
3.329 Pounds
Ratings for ICEPURE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ICEPURE Store | 919 | ✅ | ✅ | ✅ |
Features
𝐍𝐒𝐅/𝐀𝐍𝐒𝐈𝟒𝟐 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝‒ This filter is tested and certified against NSF/ANSI 42 for material safety and is made with high grade and Lead- free materials. The natural coconut shell activated carbon is also certified.
𝐒𝐮𝐩𝐞𝐫𝐢𝐨𝐫 𝐦𝐚𝐭𝐞𝐫𝐢𝐚𝐥‒ Most ICEPURE water filters meet European EC1935-2004 Regulations, Australian Water Mark, and have the certifications of TUV, ROHS, REACH, BPA FREE. This kind of filter is recommended for tap water filtration. If your water source is well water, this filter may not achieve the filtering effect that you expect, because well water contains large particles such as mud and sands which may clog the filter in shorter time.
Top 15
Aquasana Replacement Filter Cartridges for 2-Stage Under Sink Water Filtration System - Filters 99% Of Chlorine - 2 Count - AQ-5200R, Red and Yellow
Aquasana
AQ-5200R
5.0 x 2.5 x 6.0 Inches
0.8995 pounds
Ratings for Aquasana (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| OPCL LLC | - | ✅ | ✅ | ✅ |
| Aquasana. | - | ❌ | ❌ | ❌ |
Features
Replacement filter pack for Aqua Sana 2-stage under sink water filtration system: AQ-5200. 55, AQ-5200. 56, AQ-5200. 62
Use genuine Aqua Sana replacements only - untested replacements are not certified for performance capacity or contaminant removal
Top 16
Waterdrop TSA 3-Stage Replacement Water Filter, 1-Year Replacement Pack, 4-Pack (2 x 10PP, 1 x 10GC, 1 x 10CT), Replacement for Waterdrop TSA & TSB 3-Stage Under Sink Water Filtration System
Waterdrop
WD-2PPGCCT-1008
11.14 x 17.16 x 4.26 inches
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Lifetech Filter | - | ❌ | ❌ | ❌ |
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
[Compatible with WD-TSA/WD-TSB]: Compatible with the Waterdrop 3-stage under sink water filter system (WD-TSA/WD-TSB). Quickly and easily replace these filters with a single twist in just 3 seconds.
[𝐎𝐧𝐞-𝐘𝐞𝐚𝐫 𝐅𝐢𝐥𝐭𝐞𝐫 𝐂𝐨𝐦𝐛𝐢𝐧𝐚𝐭𝐢𝐨𝐧 𝐏𝐚𝐜𝐤𝐚𝐠𝐞]: This package includes 2 PP, 1 GC, and 1 CT. The PP Filter provides 6 months of clean filtered water, the GC Filter provides 12 months, and the CT Filter provides 18 months. Rational combination for one set to ensure worry-free usage throughout the year.
Top 17
iSpring F7-GAC for Standard 5-Stage Reverse Osmosis RO Systems 1-Year Replacement Supply Filter Cartridge Pack Set, 7 Count (Pack of 1), White
iSpring
F7-GAC
2.5 x 2.5 x 10.0 Inches
4.4092 Pounds
Ratings for iSpring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Bargain Shack USA | 6,982 | ❌ | ❌ | ❌ |
Features
Individually wrapped 1-year high capacity filter replacement cartridge pack for most standard 5-stage RO systems
Experience clean, safe, and good-tasting water every time you turn on the faucet. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water
Top 18
Waterdrop 2TSPP TSCT Undersink Replacement Water Filter, Replacement for Waterdrop TSU & TSU-WB 3-Stage Under Sink Water Filter System
Waterdrop
WD-TS2PPCT
3.3 x 3.3 x 10.6 Inches
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
【Efficient filtration】The premium activated carbon and PP cotton adopted as the filtration materials ensure no large particles or heavy metals make it into your drinking water. Tested against NSF/ANSI 42 standards by independent laboratory, it reduces 99% chlorine, taste and odor. Although the system is not effective against TDS, it effectively reduces silt, rust and VOC.
【Up to 2 years life time】With up to 8000 gallons of filtered water or 2 years lifespan (depending on your local water quality), the Waterdrop water filter for sink offers you a considerably longer service life. It runs at a flow rate of 1.3 GPM at 60 psi. You only need to replace the under sink water filter once every year to maintain an optimized filtration effect.
Top 19
Pentair Pentek P5 Sediment Water Filter, 10-Inch, Under Sink Spun-Bonded Polypropylene Replacement Cartridge, 10" x 2.5", 5 Micron
Pentek
P5
10.0 x 3.0 x 3.0 inches
0.2488 Pounds
- Original Language: English
Ratings for Pentek (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
REDUCES SEDIMENT DOWN TO 5 MICRONS - Filters dirt, sand, silt, scale, and rust particles from your water supply to help protect plumbing fixtures, appliances, and downstream filtration systems
GRADIENT DENSITY DESIGN EXTENDS FILTER LIFE - True layered construction traps large particles on the outer surface and progressively finer particles toward the core, maximizing dirt-holding capacity
Top 20
iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters, 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, 6-months Replacement Supply Set, 6 Count (Pack of 1)
iSpring
F6K75
6.0 x 11.0 x 22.0 inches
4.1888 Pounds
Ratings for iSpring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Individually wrapped 6-month high capacity filter replacement cartridge pack for most standard 6-stage RO systems
Experience clean, safe, and good-tasting water every time you turn on the faucet. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water
Top 21
GE Single Stage Drinking Water System Replacement Filter, Fits GX1S01R Under Sink Filtration System, Replace Every 6 Months, FXUVC
GE
FXUVC
9.75 x 2.625 x 9.75 inches
1.0 Pounds
Ratings for GE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Single stage filtration: Water is filtered once
Universal Fit - fits most 10" drop in style under sink filter systems from major brands including GE, Culligan, Dupont, Brita, Whirlpool and others
Top 22
Waterdrop WD-G3-CF Filter, Replacement for WD-G3-W, WD-G3P600 and WD-G3P800-W Reverse Osmosis System, 6-month Lifetime, New Logo Design
Waterdrop
WD-G3-N1CF
3.3 x 3.3 x 12.1 inches
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| WaterdropDirect | 306 | ✅ | ✅ | ✅ |
| Lifetech Filter | - | ❌ | ❌ | ❌ |
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
[Compatible model]: WD-G3-W, WD-G3P600, WD-G3P800-W
[Enhanced filtration]: The 3-in-1 front filtration stages effectively reduce sand, rust, particulates, suspended substances, and other impurities. Delivers clean and pure water to you.
Top 23
iSpring F9K 1-Year Reverse Osmosis Water Filter Replacement Cartridge Pack Set for 6-Stage Alkaline Mineral RO Filtration Systems, Without Membrane, White
iSpring
F9K
2.5 x 2.5 x 10.0 inches
7.0548 pounds
Ratings for iSpring (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
Individually wrapped 1-year high capacity filter replacement cartridge pack for 6-stage RO systems
Experience clean, safe, and good-tasting water every time you turn on the faucet. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water
Top 24
Waterdrop TSPP Under Sink Water Filter, Replacement for Waterdrop TSU & TSU-WB 3-Stage Ultra-Filtration Under Sink Water Filter System, 1 Pack
Waterdrop
WD-TSPP
3.3 x 3.3 x 10.6 Inches
1.3 pounds
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
| Lifetech Filter | - | ❌ | ❌ | ❌ |
Features
【Compatible model】 The under sink replacement water filter is compatible with Waterdrop Under-Sink Ultra Filtration System (WD-TSU-B/WD-TSU-W) and Waterdrop Integrated DC Filtration System (WD-TSC-W/WD-TSC-B).
【Extended service life】 The under sink replacement Pre-Sediment Filter provides you with 6 months of clean filtered water. To get the best filtered water, please replace the filter according to the replacement cycle.
Top 25
Filtrete Maximum Under Sink Quick Change Water Filtration Replacement Filter 3US-MAX-F01, for use with System 3US-MAX-S01
Filtrete
3US-MAX-F01
21.53 x 14.219 x 2.126 inches
1.8 pounds
Ratings for Filtrete (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
MAXIMUM LEVEL FILTRATION - This filter cartridge reduces 99% lead, 99% microbial cysts, 97% chlorine taste and odor, plus 0.5 microns of sand, sediment, rust, and soil
COMPACT DESIGN - This slim, compact cartridge takes up limited space under the sink
Top 26
Waterdrop 3US-MAX-F01 3US-PF01 Under Sink Water Filter, Replacement for Filtrete® 3US-PF01, 3US-PS01, Maximum 3US-MAX-S01, Aqua-Pure C-Cyst-FF, Manitowoc K-00337 K-00338, NSF/ANSI 42 Certified, 2 Pack
Waterdrop
WD-W00
3.2 x 3.2 x 13.7 inches
3.3 pounds
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Lifetech Filter | - | ❌ | ❌ | ❌ |
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
【NSF/ANSI Certified Filter】Tested against NSF/ANSI 42 standards, this filtrete water filter replacement 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.
Top 27
Waterdrop WD-10PP Water Filter Replacement for Waterdrop TSA & TSB & TSA-UF & TSB-ALK & TSB-CM 3-stage Under Sink Water Filter System, 6 months, 1 Pack
Waterdrop
WD-10PP
3.38 x 3.38 x 10.78 Inches
1.0 pounds
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
Features
【Compatible model】 This under sink replacement water filter is only Compatible with WD-TSA/WD-TSB 3-stage under counter drinking water filter (If you need the replacement PP filter for WD-TSU or WD-TSC, please search for WD-TSPP. And If you need the replacement filter for WD-10UA or WD-10UB, please search for WD-RF10) .
【Easy installation】 Replacement can be completed within 3 seconds with a single twist. No tools required.
Top 28
Best for Water
GE FXWTC Whole House Water Filter | Replacement for Water Filtration System | NSF Certified: Reduces Chlorine, Sediment, Rust & Other Impurities | Replace Every 3 Months for Best Results | 2 Filters
GE
FXWTC
1.5 x 2.5 x 3.5 inches
0.6 pounds
Ratings for GE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Southern Supply Marketplace | - | ✅ | ✅ | ✅ |
Features
Whole home filtration system: Filtered water for your whole home
Includes two filters: Compatible with GXWH04F and GXWH20S systems and most systems with 10" x 2.5" filters
Top 29
Waterdrop TSUF Ultra-Filtration Under Sink Water Filter, Replacement for Waterdrop TSU-W 3-Stage Ultra-Filtration Under Sink Water Filter System, 0.01 Micron, 4000 Gallons High Capacity, 1 Pack
Waterdrop
WD-TSUF-NEW-XZ
3.3 x 3.3 x 10.6 Inches
1.3 Pounds
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Waterdrop Filtration Tech | - | ❌ | ❌ | ❌ |
| Lifetech Filter | - | ❌ | ❌ | ❌ |
Features
【Compatible model】 The under sink replacement water filter is compatible with Waterdrop Under-Sink Ultra Filtration System (WD-TSU-B/WD-TSU-W).
【24 Month Filter Lifespan】Ultrafiltration filter with a 24-month lifespan reduces replacement frequency, minimizing long-term maintenance costs.
Top 30
Waterdrop G3-CFCBRO Filter, Replacement for Waterdrop G3-W 400 GPD Reverse Osmosis System, Pack of 1 G3-N1CF, 1 G3-N3CB, and 1 G3-N2RO Set Filter
Waterdrop
WD-G3-CFCBRO
10.23 x 16.73 x 7.67 Inches
Ratings for Waterdrop (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Lifetech Filter | - | ❌ | ❌ | ❌ |
Features
[Waterdrop replacement water filter kit] The three-pack (1 G3-N1CF filter, 1 G3-N2RO filter and 1 G3-N3CB filter) replacement water filter kit is designed for Waterdrop 𝐆𝟑-𝐖 Reverse Osmosis System. Only for Waterdrop G3-W 400 GPD Reverse Osmosis System
[Contents of water filter kit] When it is time to replace all the filters in your Waterdrop Reverse Osmosis System, this three-pack filter kit fits your needs perfectly. G3-N1CF filter lifespan is 6 months, G3-N3CB filter lifespan is 1 year, and G3-N2RO filter lifespan is 2 years
Top 10 Replacement Under-Sink Water Filters - Verified to Buy (September 2026)
- 1. INSINKERATOR F-1000 Under Sink Water Filter Replacement Cartridge for INSINKERATOR...
- 2. 1 Micron 2.5" x 10" Whole House CTO Carbon Water...
- 3. Waterdrop RF10 Replacement Filter Cartridge for 10UA/10UB Under Sink Water...
- 4. APEC Water Systems FILTER-MAX-ES50 50 GPD High Capacity Complete Replacement...
- 5. APEC Water Systems Filter-Set US Made Double Capacity Replacement Stage...
- 6. AO Smith Advanced Direct Connect Under Sink Replacement Filter for...
- 7. AO Smith Claryum Filter Replacement - 2 Pack
- 8. Waterdrop RF15 Replacement Filter Cartridge For 15UA/15UB/15UC Under Sink Water...
- 9. PUREPLUS 5 Micron 10" x 4.5" Whole House Sediment and...
- 10. GE FQK2J Under Sink Water Filter Replacement | Dual Flow...
Top 10 Replacement Under-Sink Water Filters Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- InSinkErator
- PUREPLUS
- Waterdrop
- APEC WATER
- A. O. Smith
- GE
- ICEPURE
- Aquasana
- iSpring
- Pentek
Top 10 Replacement Under-Sink Water Filters Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. WaterdropDirect : 126,620 Yearly Feedback , Avg. Ratings 4.9
- 2. ICEPURE Store : 53,874 Yearly Feedback , Avg. Ratings 4.9
- 3. PUREPLUS : 10,253 Yearly Feedback , Avg. Ratings 4.9
- 4. PUREPLUS FILTERS : 9,887 Yearly Feedback , Avg. Ratings 4.9
- 5. Bargain Shack USA : 9,648 Yearly Feedback , Avg. Ratings 4.8
- 6. Drink Clean : 6,733 Yearly Feedback , Avg. Ratings 4.9
- 7. Lifetech Filter : 3,329 Yearly Feedback , Avg. Ratings 4.9
- 8. A. O. Smith Water Treatment : 3,134 Yearly Feedback , Avg. Ratings 4.9
- 9. Fannys Gifts : 2,462 Yearly Feedback , Avg. Ratings 4.6
- 10. APEC Water Systems : 2,440 Yearly Feedback , Avg. Ratings 4.9
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | WaterdropDirect | 126,620 | 4.9 |
| 🥈 | ICEPURE Store | 53,874 | 4.9 |
| 🥉 | PUREPLUS | 10,253 | 4.9 |
| 4 | PUREPLUS FILTERS | 9,887 | 4.9 |
| 5 | Bargain Shack USA | 9,648 | 4.8 |
| 6 | Drink Clean | 6,733 | 4.9 |
| 7 | Lifetech Filter | 3,329 | 4.9 |
| 8 | A. O. Smith Water Treatment | 3,134 | 4.9 |
| 9 | Fannys Gifts | 2,462 | 4.6 |
| 10 | APEC Water Systems | 2,440 | 4.9 |
[Get] Replacement Under-Sink Water Filters Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime Replacement Under-Sink Water Filters Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Kitchen & Bath Fixtures supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Replacement Under-Sink Water Filters to buy for new September 2026?
CherryPicks’s Methodology for Evaluating Replacement Under-Sink Water Filters
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Kitchen & Bath Fixtures items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 306 of Replacement Under-Sink Water Filters reviews based on our selection criteria. It helped us shortlist the top qualified and rated Replacement Under-Sink Water Filters for Kitchen & Bath Fixtures, We found that most customers choose Replacement Under-Sink Water Filters with an average price of $46.71, and the top brands are Filtrete, GE, Waterdrop, ICEPURE, InSinkErator, PUREPLUS, iSpring, Aquasana, Pentek And A. O. Smith.
Then our expert-level editors reviewed all those quality items and selected the top 30 Replacement Under-Sink Water Filters for you, We have researched hundreds of sellers and picked the top sellers for Kitchen & Bath Fixtures, including Amazon Resale, WaterdropDirect, ICEPURE Store, PUREPLUS, PUREPLUS FILTERS, Bargain Shack USA, Drink Clean, Lifetech Filter, A. O. Smith Water Treatment, Fannys Gifts, APEC Water Systems And Amazon.com. The INSINKERATOR F-1000 Under Sink Water Filter Rep... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 1,545 consumers with an average rating of 4.7.
We've helped a lot of satisfied users get the right Tools & Home Improvement product based on their needs, and save lots of time for them to pick Replacement Under-Sink Water Filters to buy.
Born to be a medical doctor but soon find her passion lies in reviewing products to help consumers make the right choice. She currently writes on home appliances and with her, you are sure you will get the best guidance on home appliances you have an interest in.