Top 10 Best aquasana filter in 2026

Last Updated - 6/23/2026

🏆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 Post-Filter| Reduces Sediment, Rust & Dirt | Genuine & Certified | Lasts 6 Months | 10-Inch | EQ-PFC.35

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Post-filter replacement for Aquasana Rhino whole house filters
•Replaces the Post-Filter in all Aquasana Whole House Systems that contain a Post-Filter and lasts for up to 6 months.
•Genuine Aquasana replacements ensure the performance of your filtration system
•Replacements Made Easy - Filters are engineered for the easiest replacement. Simply twist off, replace, and screw back on – no tools or plumber required.

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$34.99

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Aquasana

Aquasana Shower Filter | Dermatologist-recommended for softer, healthier skin & hair | Proven to reduce 90% of chlorine for 6 months | High pressure | Use your own shower head | AQ-4100NSH

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•𝗗𝗲𝗿𝗺𝗮𝘁𝗼𝗹𝗼𝗴𝗶𝘀𝘁 𝗥𝗲𝗰𝗼𝗺𝗺𝗲𝗻𝗱𝗲𝗱 𝗳𝗼𝗿 𝗛𝗲𝗮𝗹𝘁𝗵𝗶𝗲𝗿 𝗛𝗮𝗶𝗿 & 𝗦𝗸𝗶𝗻 - Transform your shower into a self-care ritual. Aquasana’s Shower Filter reduces damaging chlorine to help prevent dandruff and hair loss for softer skin, luscious hair, and easier breathing
•𝗔𝘄𝗮𝗿𝗱-𝗪𝗶𝗻𝗻𝗶𝗻𝗴 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 - Trusted by experts and loved by customers Aquasana’s Shower Filter is a top pick by Women’s Health, Allure, Cosmopolitan, Elle, and more. A favorite for healthier hair, clearer skin, and a superior shower experience
•𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀, 𝗧𝗲𝘀𝘁𝗲𝗱 𝘁𝗼 𝗡𝗦𝗙-𝟭𝟳𝟳 𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱𝘀 - Our eco-friendly shower filter uses coconut shell carbon and patented copper-zinc media to reduce 90%+ of chlorine for a noticeable improvement in hair texture, color retention, and skin hydration
•𝗟𝗼𝗻𝗴-𝗟𝗮𝘀𝘁𝗶𝗻𝗴 & 𝗖𝗼𝘀𝘁-𝗘𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲 𝗙𝗶𝗹𝘁𝗿𝗮𝘁𝗶𝗼𝗻 - Enjoy clean, refreshing water with one of the longest-lasting filters on the market. Each filter provides up to 6 months or 10,000 gallons of purified water — all for as little as 25 cents per day
•𝗘𝗮𝘀𝘆 𝗗𝗜𝗬 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 - No plumbing skills needed Set up in minutes with 4 simple steps. Fits standard ½” shower arms. After installing, run water to clear carbon fines. Replace filters every 6 months for optimal filtration
•𝗧𝗵𝗲 𝗔𝗾𝘂𝗮𝘀𝗮𝗻𝗮 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲 - With over 25 years of innovation, our U.S.-based scientists and engineers design filters for maximum contaminant removal

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$69.99

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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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

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

9.2

ChoiceComparer.com Score

9.2

/ 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

9.1

ChoiceComparer.com Score

9.1

/ 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 | RO Under Sink System | WQA Certified up to 99.99% of 90 contaminants Including Fluoride, PFAS, Arsenic, Lead, and Chlorine | Chrome Faucet

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•𝗪𝗤𝗔 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 - Meets NSF/ANSI standards 42, 53, 58, and 401. Effectively reduces up to 99.99% of harmful contaminants including fluoride, chromium 6, TDS, microplastics, PFAS, asbestos, mercury, chlorine, pharmaceuticals, and lead.
•𝗣𝗮𝘁𝗲𝗻𝘁𝗲𝗱 𝗦𝗺𝗮𝗿𝘁𝗙𝗹𝗼𝘄 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 - Our advanced reverse osmosis membrane technology is ultra-efficient, providing more pure water and less water waste. Our longer filter life means you can enjoy cleaner water with minimal hassle.
•𝗥𝗲𝗺𝗶𝗻𝗲𝗿𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗳𝗼𝗿 𝗛𝗲𝗮𝗹𝘁𝗵𝗶𝗲𝗿 𝗪𝗮𝘁𝗲𝗿 - Unlike standard RO systems, Aquasana includes a Remineralizer that restores essential minerals like calcium and magnesium, providing you with healthier, better-tasting water.
•𝗖𝗼𝗻𝘃𝗲𝗻𝗶𝗲𝗻𝘁 𝗙𝗶𝗹𝘁𝗲𝗿 𝗥𝗲𝗽𝗹𝗮𝗰𝗲𝗺𝗲𝗻𝘁𝘀 - Simply twist out the old cartridge and replace it with an Aquasana certified replacement filter for ongoing contaminant removal. Each set of filters replaces the equivalent of 2,750+ plastic water bottles.
•𝗪𝗵𝗮𝘁'𝘀 𝗜𝗻𝗰𝗹𝘂𝗱𝗲𝗱 – Includes first set of filters, RO membrane, RO tank, faucet, parts required for under countertop installation, and 2-year limited warranty. Professional installation recommended. Support is available at 866-662-6885.

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$224.99

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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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Waterspecialist

Waterspecialist WS852 Replacement for Aquasana® AQ-5300R Under Sink Water Filter, Aquasana® Filter Replacement, 600 Gallons, Reduce 99% of Chlorine, Taste and Odor, 3 Filters

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•[𝐆𝐨𝐨𝐝 𝐌𝐚𝐭𝐜𝐡] This Waterspecialist filter replacement for the Aquasana water filter AQ-5300R is designed to fit models AQ-5300.55, AQ-5300.56, and AQ-5300.62 with no leakage and excellent compatibility. Installation is quick and tool-free. Note: Please flush the filters before use for optimal taste. * This product contain batteries.
•[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 600 gallons or up to 6 months. These Aquasana filter replacements not only save money but also help reduce plastic waste, contributing to environmental preservation.
•[𝐆𝐫𝐞𝐞𝐧 𝐎𝐩𝐭𝐢𝐨𝐧] These filters can save over 4,500 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 are made from food-grade materials, free of BPA and lead, offering you safe and tasty water. * This product contain batteries.

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$51.99

$71.99

-28%

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CFS

CFS – Whole House Water Filter Cartridges Compatible with EQ-304-20, EQ-PFC.35 Models – Removes Bad Taste and Odor – Replacement Filter Cartridge (4 Pack - Pre + Post Filter)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•✅ABOUT PRODUCT: It is a package of Replacement water filter cartridges that are compatible with EQ-304-20, EQ-PFC.35 Water Filter Cartridges. It has a larger surface area and has a longer filter life. This water filter cartridge removes more pollutants by providing "depth" filtering.
•✅REMOVE TASTES & SMELLS: To remove tastes, smells, and sediment from cold water, use this compatible filter cartridge for EQ-304-20, EQ-PFC.35 models. This cartridge comes standard with all taste & odor filter systems. The activated carbon diamond-wound polypropylene cartridge Fits all.
•✅EFFICIENCY: Our water filter cartridge eliminates pollutants and impurities from water. At the same time, it effectively preserves many vital minerals. For optimal performance, water filter cartridges should be replaced every 6 to 12 months based on your water quality.
•✅FEATURES: Our water filter cartridge particularly offers a larger surface area and a longer life. This cartridge eliminates chlorine, bad taste, and odor, and is available in a variety of sizes. This replacement cartridge will provide you with high filtering performance at a lower cost.
•✅MAKES WATER FOR CONSUMPTION: For households that rely on groundwater or tap water, heavy metal levels can be significant. As a result, purifying water may be necessary. Our suitable water filter cartridge may be able to remove these heavy metals and make the water safe to drink.

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$62.82

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