Top 10 Best countertop water filter in 2026

Last Updated - 6/18/2026

🏆Best Choice

AQUA TRU

AquaTru Carafe AT100 2-Stage Pre/Carbon Filter | Reduces Sand, Silt, Sediment, Rust, and Particles | Activated Carbon Reduces Chlorine Taste and Odors

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Specifically designed to fit in the AquaTru Carafe Countertop Water Filter Purification System ONLY
•Certified to NSF Standards by IAMPO. Dual Replacement Filter combines the Sediment Pre-Filter and the Activated Carbon Pre-Filter into one
•Stage 1 (Sediment Pre-Filter) portion of this filter reduces sand, silt, sediment, rust and particles from water. STAGE 2 (Activated Carbon Pre-Filter) of the filter removes more than 99% of chlorine and chloramines and odors
•This filter removes odors and conditions the water and reduces sand, silt, sediment, rust and particles
•Filter Life: This Pre-Filter (Stage 1 & 2, Part AT100) is designed to last approximately six months or 300 gallons, whichever comes first
•𝐎𝐍𝐋𝐘 𝐟𝐨𝐫 𝐀𝐪𝐮𝐚𝐓𝐫𝐮 𝐂𝐚𝐫𝐚𝐟𝐞 𝐌𝐨𝐝𝐞𝐥𝐬. Only use AquaTru Replacement Filters in AquaTru Reverse Osmosis Water Filter Purification System for proper functionality

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$33.95

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AQUA TRU

AquaTru Carafe AT100 Reverse Osmosis Filter | Reduces Arsenic, Lead, Parasitic Cysts, Copper, and More | Filters Impurities Down to 1/10000 of a Micron!

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•SPECIFICALLY DESIGNED to fit in the AquaTru Carafe Countertop Water Filter Purification System ONLY
•CERTIFIED TO NSF STANDARDS by IAMPO. The Reverse Osmosis membrane is designed to reduce toxic inorganic contaminants from the water down to 1/10000 of a micron including arsenic, lead, Chromium 6, nitrates and more
•ONLY USE AquaTru Carafe Replacement Filter Parts AT100 in the AquaTru Reverse Osmosis Carafe Water Filter Purification System for proper functionality
•FILTER LIFE This Filter (Stage 3, Part AT100 for Carafe only) is designed to last two years or 1200 gallons, whichever comes first
•𝐎𝐍𝐋𝐘 𝐟𝐨𝐫 𝐀𝐪𝐮𝐚𝐓𝐫𝐮 𝐂𝐚𝐫𝐚𝐟𝐞 𝐌𝐨𝐝𝐞𝐥𝐬

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$59.95

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AQUA TRU

Aqua TRU Carafe | Countertop Water Purifier for PFAS and Other Contaminants with Exclusive 4-Stage Ultra Reverse Osmosis Technology (No Plumbing or Installation Required) | BPA Free

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•💧IS YOUR WATER SAFE TO DRINK? Studies continue to pour in regarding Toxins, Hormones, Microplastics, Cancer-linked contaminants, known Carcinogens and other toxins discovered in our Tap Water, Filtered Water…and yes, even Bottled Water. AQUATRU's patented Ultra Reverse Osmosis water filtration system is CERTIFIED to remove harmful contaminants.
•💧TESTED AND CERTIFIED by IAPMO according to NSF/ANSI standards to remove 83 CONTAMINANTS - that's 15X more contaminants than the leading pitcher filters. Removes such toxins as PFAS ‘Forever Chemicals’, Lead, Chromium, Fluoride, Chlorine and many more…
•💧NO PLUMBING OR INSTALLATION required - takes just minutes to set up. AquaTru’s Trusted & warrantied RO countertop system COSTS CONSIDERABLY LESS than buying fully installed under-the-counter RO systems, bottled water or traditional fridge or pitcher filters.
•💧64 oz. GLASS CARAFE for easy plastic-free pouring and sleek control panel with change filter and maintenance alerts. COST-EFFECTIVE and ENVIRONMENTALLY FRIENDLY. Best for Singles/Couples. Great for small countertop spaces, offices, dorm rooms, kitchenettes, and more.
•💧QUICK CHANGE INSERT AND SNAP FILTERS come included with your first AquaTru water purifier and last from 6 months to 2 years. For replacement filters, only purchase the ones fitted for the Carafe (Not AquaTru Classic, Connect or Under Sink Models)

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$375.00

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AQUA TRU

AquaTru Carafe Smart Alkaline | Countertop Water Purifier for PFAS and Other Contaminants with Exclusive 4-Stage Ultra Reverse Osmosis Technology (No Plumbing or Installation Required) | BPA Free

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Is Your Water Safe to Drink? Studies continue to pour in regarding Toxins, Hormones, Microplastics, Cancer-linked contaminants, known Carcinogens and other toxins discovered in our Tap Water, Filtered Water…and yes, even Bottled Water. Arsenic, lead, chromium, and drug residues are commonly found in municipal drinking water. AQUATRU's patented Ultra Reverse Osmosis water filtration system is Certified to remove such contaminants and many more
•Tested and certified by IAPMO according to NSF/ANSI standards to remove 84 Contaminants - that's 15X more contaminants than the leading pitcher filters. Removes such toxins as Lead 99.1%, Chromium 97.2%, Copper 95.2%, Fluoride 93.5%, Radium 96.4%, and Chlorine 96.6% (to name a few). In fact, it's designed to remove 1000's of pollutants that could be lurking in your tap water. Taste the Difference!
•No Plumbing or Installation required - takes just minutes to set up. AquaTru’s Trusted & warrantied RO countertop system Costs considerably less than fully installed under-the-counter RO systems, while at the same time, delivering often Cleaner, Purer, and Better Tasting Water. Why waste money & add to landfills with bottled water (93% recently found to contain micro-plastics)? Forget about the hassle & cost of buying bottled water
•64 oz. Glass Carafe for easy plastic-free pouring and sleek control panel with change filter and maintenance alerts
•Quick Change insert and snap filters come included with your first AQUA TRU water purifier and last from 6 months to 2 years

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$445.00

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Aquamira

Aquamira Water Treatment (2 oz.) Without Droppers

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•All new glass bottles. (Optional Dropper Tips available for accurate measuring of small dosage.)
•Kills odor causing bacteria and enhances the taste of stored potable water. Controls the buildup of slime in water storage containers.
•Once treated with Aquamira Water Treatment, and left sealed, stored water has a 5 year shelf life.Treatment has a 4 year shelf life from manufacturing date.
•Treats up to 60 gallons, no Aftertaste.
•Made in the USA (EPA Reg. No. 71766-1)

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$23.82

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AQUA TRU

AquaTru Classic Countertop Water Filtration Purification System for PFAS & Other Contaminants with Exclusive Ultra Reverse Osmosis Technology (No Installation Required) | BPA Free (AquaTru Classic)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Is your water safe to drink? Studies continue to pour in regarding Toxins, Hormones, Microplastics, Cancer-linked contaminants, known Carcinogens and other toxins discovered in our Tap Water, Filtered Water…and yes, even Bottled Water. AQUATRU's patented Ultra Reverse Osmosis water filtration system is CERTIFIED to remove harmful contaminants.
•CERTIFIED NSF/ANSI Standards - Tested & certified by IAPMO to meet NSF/ANSI standards 41, 53, 58, 401, and P473 for water filters, which include 83 contaminants and PFAS “forever chemicals.”
•No plumbing or installation required - takes just minutes to set up. AquaTru’s Trusted RO countertop system costs considerably less than fully installed under-the-counter RO systems, while at the same time, delivering often Cleaner, Purer, and Better Tasting Water. Why waste money & add to landfills with bottled water (93% recently found to contain microplastics)?
•Long-Lasting Filters: AquaTru has affordable filters are made to last for 600-1200 gallons – that’s only a filter change every 6 mos. to 2 yrs.
•Quick change twist & seal filters come included with your first AquaTru water purifier and last from 6 months to 2 years. 1 set of filters replaces 4,500 plastic water bottles, so you can be freed from the hassle & cost of buying bottled water.

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$475.00

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AQUA TRU

AquaTru Perfect Minerals - Create Mineral Water with AquaTru Countertop Reverse Osmosis Water Filter Purification System

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Natural: All-natural, ionic, low-sodium, sea mineral formula from Utah's Great Salt Lake made using solar concentration (natural processes). It is a Pure, All-Natural, Low Sodium Mineral Concentrate and contains the same basic mineral balance as sea water except that it has been concentrated to nearly 50 times through a natural solar evaporation process with nearly 99 percent of the sodium removed.
•Pure mineral concentrate: Contains the same basic mineral balance as sea water except that it has been concentrated to nearly 50 times through a natural solar evaporation process with nearly 99 percent of the sodium removed.
•Nutrient-rich: AquaTru Perfect Minerals creates alkaline water that is full of life-giving micro nutrients. Alkaline water is proven to be better for human consumption as the PH is higher
•Tested: Evaluated for safety, potency and purity by in-house and independent labs. Kosher and Halal certified.
•Raises PH to Alkaline: Helps prevent an "Acidic" environment a higher PH reduces the chances of dangerous cells being able to thrive in the human body.

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$25.00

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AQUA TRU

AquaTru Countertop Sliding Tray for AquaTru Classic and Connect Water Purifiers - Saves Space by Sliding Under Cupboards

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Designed for Classic and Connect AquaTru countertop purifiers, this space-saving sliding tray makes it easy to move your purifier
•With a simple press of a button, you can slide your AquaTru forward to access your tap water tank or to fill bottles and pitchers
•Slide it back to reclaim your counter space. So simple and so convenient, you’ll wonder how you ever lived without it
•Fits both Classic and Connect models (including Alkaline). Not compatible with AquaTru Carafe models
•AquaTru purifier not included in purchase

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$29.95

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AQUA TRU

AquaTru Classic Smart Countertop Water Filtration Purification System for PFAS & Other Contaminants with 4-Stage Ultra Reverse Osmosis Technology | App & Wifi Capability (AquaTru Classic Smart (2025))

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Updated Name Alert! To streamline our product names for the countertop series, the AquaTru Connect is now called the AquaTru Classic Smart. Same great water, new great name
•Smart Technology - Amazing app features include Precise Filter Usage, TDS (Total Dissolved Solids) meter readings from both the Tap water and Clean water tanks, Water Consumption, Water Quality, and Total Money & Plastic bottles saved by using AquaTru water filter. Compatible with iOS and Android devices
•Is Your Water Safe to Drink? Studies continue to pour in regarding Toxins, Hormones, Microplastics, Cancer-linked contaminants, known Carcinogens and other toxins discovered in our Tap Water, Filtered Water…and yes, even Bottled Water. AQUATRU's patented Ultra Reverse Osmosis water filtration system is CERTIFIED to remove harmful contaminants
•Tested and Certified by IAPMO according to NSF/ANSI standards to remove 84 Contaminants - that's 15X more contaminants than the leading pitcher filters. Removes such toxins as PFAS ‘Forever Chemicals’, microplastics, Lead, Chromium, Fluoride, Chlorine and many more…
•Cost-Effective and Environmentally Friendly: AquaTru water purifier has affordable filters that are made to last for 600-1200 gallons – that’s only a filter change every 6 mos. to 2 yrs.
•Quick Twist Change and Seal Filters come included with your first AquaTru water purifier and last from 6 months to 2 years. 1 set of filters replaces 4,500 plastic water bottles, so you can forget about the hassle & cost of buying bottled water

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$525.00

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AQUA TRU

AquaTru Under Sink Reverse Osmosis Water Filter System with Alkaline pH+ Filter | Certified to Remove Lead, Chlorine, Fluoride, PFOA, PFOS & More for Pure Great-Tasting Water

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Alkaline water- makes mineral-rich alkaline water with the VOC Carbon ph+ Mineral Boost water filter right from your kitchen tap water. It uses a proprietary blend of healthy minerals with our activated carbon to not only remove VOC contaminants, but also add healthy minerals and alkalize the water
•Certified NSF/ANSI Standards - Tested & certified by IAPMO to meet NSF/ANSI standards 41, 53, 58, 401, and P473 for water filters, which include 84 contaminants, microplastics, and PFAS “forever chemicals”
•Premium Long-Lasting, Easy-To-Change Filters - AquaTru’s affordable filters are made to last for 360-1200 gallons – that’s a filter change every 6 mos. to 2 yrs. AquaTru Under Sink Reverse Osmosis Water Purifier uses the same water filters as the AquaTru Countertop Purifiers (not including the Carafe)
•Quick change twist & seal filters come included with your first AquaTru water purifier and last from 6 months to 2 years. 1 set of filters replaces 4,500 plastic water bottles, so you can forget about the hassle & cost of buying bottled water
•Patent-pending technology —TruPure RO Sanitizer makes it easy to keep your AquaTru holding tank in pristine condition. Traditional under sink reverse osmosis systems make sanitation difficult to do, leaving the tank a potential breeding ground for bacteria, if not properly maintained

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$395.00

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