Top 10 Best aquasana filter replacement in 2026

Last Updated - 6/14/2026

🏆Best Choice

Aquasana

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

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•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.

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$69.99

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Aquasana

Aquasana Whole House Replacement Pre-Filters | Reduces Sediment, Rust & Dirt That Can Clog System | Genuine & Certified | 20-Inch | 4 Count | EQ-304-20 White

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Replacement 20-inch, sediment pre-filter for Aquasana Whole House Systems (4-pack)
•Use genuine Aquasana replacements only - untested replacements are not certified for performance capacity or contaminant removal
•Designed to prevent dirt and sediment particles from entering and clogging the main filter unit
•Replace filters every 1-3 months depending on water quality and sediment levels - when color darkens or water flow slows
•Replacements made easy - no plumber required

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$46.99

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Aquasana

Aquasana Water Filter for Sink Faucet | Reduces 99% of 78 Contaminants Including Chlorine & Lead from Tap Water | Under Sink Filtration | Claryum Direct Connect | AQ-MF-1

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Easy DIY Under Sink Filter Installation - Install on any cold water line, no dedicated faucet required, no need to drill a hole in any countertop. A 3" clearance is required for filter changes. Unit measures 4 x 4 x 20.5 inches.
•Clean & Healthy Water Filtration - Carbon filter removes up to 99% of 77 contaminants including lead, PFAS (specifically PFOA and PFOS), mercury, asbestos, herbicides, pesticides, pharmaceuticals, and more!
•Retains What Makes Your Water Healthy - Filters out harsh contaminants while retaining naturally-occurring minerals like calcium, magnesium, and potassium. Does not reduce TDS.
•Designed With The Environment In Mind - One filter replaces more than 6,250 plastic water bottles.
•All Parts Included - Includes all parts needed for installation including dual port adapter for 3/8" water hoses.

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$124.99

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Aquasana

Aquasana Shower Water Filter System Replacement Cartridge - Filters Over 90% of Chlorine - Carbon & KDF Filtration Media - Soften Skin and Hair from Hard Water - AQ-4125

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Trusted Replacement For Aquasana Shower Filters - Replacement cartridge for the AQ-4100, AQ-4125, AQ-4105
•Ensure Water Quality w/ Genuine Replacements - Untested replacements are not certified for performance capacity or contaminant removal
•Premium Carbon Filtration - Filter your shower water with coconut shell carbon and copper-zinc media that is independently tested to NSF/ANSI Standard 177 to reduce more than 90% of chlorine.
•Replacements Made Easy - No tools or plumber required. Simply twist, remove, and replace
•Clean & Healthy Water - Removes chlorine and other chemicals from your shower steam for better quality air while you shower

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$59.99

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Aquasana

Aquasana New Replacement Filter Cartridge for Countertop Water Filter Dispenser System, Clean Water Machine - 2 Pack

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•WQA Certified: Meets strict standards for water quality
•Chlorine Reduction: Removes chlorine and other harmful chemicals
•Carbon Block Filters: Removes impurities and contaminants
•Long Lasting: Can filter up to 300 gallons of water
•Easy Installation: Simply replace the cartridge in your water dispenser

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$69.99

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Aquasana

Aquasana SmartFlow™ Reverse Osmosis Water Filter Stage 1 and Stage 3 Replacement Carbon and Advanced Claryum Filters Last 6 Months - Not Compatible with OptimH2O - Replacements only

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Genuine Aquasana stage 1 and 3 replacement carbon and Claryum filters for SmartFlow Reverse Osmosis Water Filter Systems including the following models: AQ-SFRO-NF, AQ-SFRO-CHR, AQ-SFRO-BN, AQ-SFRO-ORB, and AQ-SFRO-MB. Not compatible with OptimH2O systems.
•Easy Filter Replacements - Simply twist out the used cartridge and replace it with an Aquasana replacement filter for continued contaminant removal. Use only certified, genuine Aquasana replacements. Lasts 6 months.
•SmartFlow Reverse Osmosis Carbon Block and Advanced Carbon Block Replacements remove up to 99.99% of contaminants, including lead, chlorine, microplastics, VOCs, and more.
•System tested and certified by WQA to NSF/ANSI Standards 42, 53, 58, 401, and CSA B483.1. Under counter filtration of up to 99.99% of fluoride, chromium+6, TDS, microplastics, PFOA, PFOS, asbestos, mercury, arsenic, chlorine, pharmaceuticals, and lead.
•Includes replacment filters only with a 180-day limited warranty. Aquasana phone support and service is available at 866-662-6885.

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$87.99

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AQUA CREST

AQUA CREST WF51 Replacement for Aquasana® Under Sink Water Filter AQ-5300+R, Aquasana® Filter Replacement, 800 Gallons, Reduce 99% of Chlorine, Taste and Odor, 3 Count

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•𝐆𝐫𝐞𝐚𝐭 𝐅𝐢𝐭: The AQUA CREST filter replacement for the Aquasana water filter AQ-5300+R is designed to fit models AQ-5300+.55, AQ-5300+.56, and AQ-5300+.62, ensuring no leaks and excellent compatibility. Easy installation with no tools required. Note: Please flush the filters before use for better taste.
•𝟗𝟗% 𝐂𝐡𝐥𝐨𝐫𝐢𝐧𝐞 𝐑𝐞𝐝𝐮𝐜𝐭𝐢𝐨𝐧: Through 3-stage filtration including high-quality PP cotton and dual activated carbon blocks, these AQUA CREST filter replacements for Aquasana under sink water filter system can efficiently reduce 99% of chlorine, taste and odor, rust, sediments, sand and large particles, tested by a third party lab, providing pure, clean water for you. Note: do not reduce TDS!
•𝐋𝐨𝐧𝐠𝐞𝐫 𝐏𝐮𝐫𝐞 𝐖𝐚𝐭𝐞𝐫 𝐄𝐧𝐣𝐨𝐲𝐦𝐞𝐧𝐭: Enjoy up to 800 gallons or 6 months of pure water with these filter replacements for the Aquasana under sink water filter system. Save money and reduce plastic waste, contributing to a healthier environment.
•𝐆𝐫𝐞𝐞𝐧 𝐎𝐩𝐭𝐢𝐨𝐧: The filter replacement for Aquasana water filter can save over 6,000 plastic bottles, providing 800 gallons of clean water. Make a positive impact on the environment while enjoying pure water.
•𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬 𝐟𝐨𝐫 𝐒𝐚𝐟𝐞 𝐖𝐚𝐭𝐞𝐫: These Aquasana filter replacements are made from food-grade materials, free of BPA and lead, offering you safe and tasty water.

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$61.99

$73.99

-16%

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Aquasana

Aquasana Clean Water Machine Replacement Filter Cartridge - Removes Up To 97% of Chlorine & 99% of 78 Contaminants - 1 Count - AQ-PWFS-R-D

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Replacement filter for Aquasana Clean Water Machine: AQ-CWM-P-B or AQ-CWM-D-B
•Use genuine Aquasana replacements only - untested replacements are not certified for performance capacity or contaminant removal
•Replacements made easy - no tools or plumber required. Simply twist, remove, and replace
•Less than $0. 10 per gallon. Filters 320 gallons. Change filters every 3 months - 8x the capacity of leading gravity pitchers
•Powered Active Filtration - obsessively engineered to remove over 96% of over 77 contaminants including lead
•NSF Certified to Standards 42, 53, 401, P473 to remove mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more

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$34.99

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Aquasana

Aquasana Replacement Filter Cartridge for Countertop Water Filtration System - Removes Up To 97% of Chlorine & 99% of 77 Contaminants - Filtration for Clean Tasting Water from Kitchen Faucet- AQ-4035

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Replacement filter pack for Aquasana Claryum Countertop Water Filtration System (AQ-4000). Includes one of each filter type. Not compatible with under sink filter systems.Not compatible with Clean Water Machine.
•Use genuine, Aquasana replacements only - Non Aquasana brand replacements are not certified for performance capacity or contaminant removal
•Replacements made easy - no tools or plumber required. Simply twist, remove, and replace
•Only 11 cents per gallon - 11 times the capacity of the leading gravity-based filter pitcher
•Retains the healthy minerals like calcium, potassium, and magnesium - the healthiest drinking water for you and your family
•WQA Certified to NSF/ANSI Standards 42, 53 (includes P473), and 401 to remove 99% of 77 contaminants including lead, mercury, pesticides, pharmaceuticals, and more

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$69.99

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Waterspecialist

Waterspecialist WS852-R Replacement for Aquasana® Under Sink Water Filter AQ-5200R, Aquasana® Filter Replacement, 500 Gallons, Reduce 99% of Chlorine, Taste and Odor, 2 Filters

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•[𝐆𝐨𝐨𝐝 𝐌𝐚𝐭𝐜𝐡] This Waterspecialist filter compatible with Aquasana filter replacement AQ-5200R is designed to fit AQ-5200. 55, AQ-5200. 56 , AQ-5200. 62 and AO-US-200, with no leakage and great compatibility. This filter is very easy to install with no tools required. Note: please flush the filters first before use for better taste.
•[𝟗𝟗% 𝐂𝐡𝐥𝐨𝐫𝐢𝐧𝐞 𝐑𝐞𝐝𝐮𝐜𝐭𝐢𝐨𝐧] Through premium dual activated carbon blocks, these Waterspecialist filter replacements for Aquasana under sink water filter system effectively reduce 99% of chlorine, taste and odor, rust, sediment, sand, and larger particles, as verified by third-party lab testing. Enjoy pure, clean water with this filter. Note: Does not reduce TDS!
•[𝐋𝐨𝐧𝐠𝐞𝐫 𝐏𝐮𝐫𝐞 𝐖𝐚𝐭𝐞𝐫 𝐄𝐧𝐣𝐨𝐲𝐦𝐞𝐧𝐭] Experience pure water for 500 gallons or up to 6 months. These filter replacements for Aquasana under sink water filter system not only save money but also help reduce plastic waste, contributing to environmental preservation.
•[𝐆𝐫𝐞𝐞𝐧 𝐎𝐩𝐭𝐢𝐨𝐧] These Aquasana replacement filters can save over 3,500 plastic bottles, providing 500 gallons of clean water. Make a positive impact on the environment while enjoying pure water.
•[𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬 𝐟𝐨𝐫 𝐒𝐚𝐟𝐞 𝐖𝐚𝐭𝐞𝐫] These filters compatible with Aquasana water filters are made from food-grade materials, free of BPA and lead, offering you safe and tasty water.

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$51.99

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