If you’ve been drinking tap water regularly, it might be a good idea to think about getting a water filter for your kitchen. Water filters can help get rid of harmful stuff like lead, chlorine, and pesticides, depending on how good they are. They can also make your water taste better and sometimes even look clearer.

Our team has tested more than 40 products to figure out which ones are the best water filters. We’ve looked at all sorts of filters, like ones for your whole house, water bottles with filters, pitchers with filters built in, ones that go under your sink, and even filters for your shower.

Our Top Picks

Best Under-The-Sink Water FilterAquasana 3-Stage Max Flow Under Sink Water Filter
Best Water Filter PitcherBrita Rapids Stream Water Pitcher
Best Small Water Filter PitcherAquagear Water Filter Pitcher
Best Countertop Water FilterAQUATRU Connect Countertop Water Filter
Best Whole-House Water FilterAquasana Rhino 600,000 Gallons Water Filter
Best Water Filter BottleBrita Water Bottle with Filter
Best Water Filter Pitcher To Deactivate BacteriaLarq PureVis Pitcher with Advanced Water Filter
Most Stylish Water Filter CarafeSoma Glass Carafe
Best Water Filter FaucetCulligan Faucet-Mount Advanced Water Filter
Best Shower Water FilterSonaki Inline Shower Filter
Best Easy InstallationBrondell Countertop Water Filtration System

We are passionate about keeping you safe and promoting sustainable innovations in consumer products. That’s why water quality and water filters have been a major focus for us. Not all water filters work the same way, so our experts carefully test popular ones to see what they can filter out and how well they do it.

We scrutinize certifications and analyze tons of test results from third-party sources to see how effectively these filters remove contaminants. We also consider factors like ease of setup, weight when filled (if applicable), filtration speed, ease of cleaning, and more.

To learn more about our testing process for water filters and get all the information you need to pick the best one, check out the end of this guide. And if you’re looking for a water bottle to keep you hydrated on the move, we’ve got a guide for that, too!

1. Brita Rapids Stream Water Pitcher

Brita Rapids Stream Water Pitcher
Filter replacement frequency6 months to 2 years, depending on filter type
Capacity12 cups
Dishwasher safeNo
Yearly filter replacement cost$70/one-year combo

Don’t waste time waiting at the sink for your water to filter—Brita Stream filter is here to save the day! Its ingenious filter located just beneath the spout helps to eliminate the taste and odor of chlorine as you pour. Compared to ordinary tap water, which tasted strongly of chlorine, we were pleasantly impressed by the filtered water’s clear, clean quality. In addition, the filtered water had no color at all and seemed cleaner.

It works well and lets you give yourself filtered water right away, even if it’s not the quickest pitcher available. It’s quite simple to set up; simply pour water through the filter once before using it.

Even with its 10-cup capacity, it is still manageable while weighing only 1.35 pounds when filled. We like the features, such as the locking lid and electronic filter indication, and how well they fit in the refrigerator or beneath a cabinet. Brita suggests replacing the filter every two months, which may bother some people, but we thought the price of new filters was reasonable.

  • Filters water instantaneously with every pour, with no waiting
  • Significantly reduces chlorine taste and smell in water Easy set up
  • It takes two hands to fill and only filters while pouring. The flow rate is slow

2. Aquasana 3-Stage Max Flow Under Sink Water Filter

Aquasana 3 Stage Max Flow Under Sink Water Filter
Filter replacement frequency6 months
Capacity8 Gallons
Dishwasher safeN/A
Purification MethodCarbon Block
Yearly filter replacement cost$140

The initial setup of this under-the-sink system can be a bit of a pain, but after that, you can just turn on the tap and enjoy filtered water for up to six months.

The list of contaminants it eliminates is long and includes chlorine, heavy metals, cysts, pesticides, herbicides, volatile organic compounds, and many more. Additionally, this filter is highly recommended by several of our coworkers. Tabletop filters aren’t good enough for some people as they use filtered water for everything, including cooking and brewing coffee. Refilling carafes or tanks is easy with this technique.

  • We recommend replacing your filters every six months
  • Rapid water flow
  • Does away with chlorine, cysts, heavy metals, herbicides, pesticides, volatile organic compounds, and a whole lot more besides
  • Installing is necessary

3. Aquagear Water Filter Pitcher

Aquagear Water Filter Pitcher
Filter replacement frequency6 months
Capacity10 cups
Dishwasher safeNo
Purification MethodActivated Carbon, Ion Exchange
Yearly filter replacement cost$80

Your water will be safe from lead and chlorine thanks to this pitcher’s excellent filtration system. Compared to other pitchers we tested, our experts found that it operated quicker. Although we had some trouble getting the filter set up, we were pleasantly impressed by how lightweight the pitcher is, especially when filled to the brim.

Its 10-cup size ensures no shortage of water, and its space-saving design keeps it from taking up too much room in your refrigerator or on your countertop.

  • Portable
  • Efficient and lightweight
  • Removes chlorine and lead from water
  • Sets up more slowly than competing pitchers

4. AQUATRU Connect Countertop Water Filter

AQUATRU Connect Countertop Water Filter
Filter replacement frequency6 months to 2 years, depending on filter type
Capacity12 cups
Dishwasher safeNo
Purification MethodReverse Osmosis
CertificationsNSF/ANSI standards
Yearly filter replacement cost$70/one-year combo

The three-filter technology of AquaTru Connect, which removes over 80 different pollutants, really amazed us. Out of all the water filters we examined, it is one with the largest amount of pollutants eliminated.

Based on our investigation, each of the three filters performs as intended. The pre/carbon filter enhances the flavor of the water by removing impurities, including rust, silt, and chlorine. Reverse osmosis filters are very efficient; they can eliminate contaminants as small as 1/10,000 of a micron. It lowers lead, copper, parasite cysts, arsenic, and other contaminants. Then, the carbon VOC filter improves the flavor of the water and removes radioactive substances like radon that many other filters are unable to remove. Additionally, more than 90% of the fluoride is eliminated, which some individuals may prefer.

The connected smartphone app maintains track of when to replace your filter, so you don’t need to worry about forgetting. Although it costs a hefty $500, the filters last longer than others, so the annual replacement cost is really comparable to filters that don’t remove as much impurities and contaminants.

  • Eliminates more than 80 pollutants
  • The app monitors the filters
  • Removes radon
  • Higher cost

5. iSpring CKC1

iSpring CKC1
Filter replacement frequency6 months 
Capacity3.17 gallons
Dishwasher safeNo
Purification MethodReverse Osmosis, Carbon Block
Yearly filter replacement cost$65/one-year combo

Whether placed in your house, condo, camper, or recreational vehicle, this little filtration system by iSpring offers a clean and understated touch to any kitchen counter. There is an opaque white alternative as well, but the transparent filter housing makes it simple to see when the filter needs to be replaced.

According to iSpring, their six-month coconut-shell carbon block filter efficiently eliminates ninety-five percent of rust, silt, sand, and chlorine. Additionally, the business claims that it is very effective at lowering volatile organic compounds (VOCs), which include industrial chemicals, pesticides, and herbicides. It’s crucial to remember that this system does not lower total dissolved solids; a reverse osmosis system would be required for that purpose. Although NSF has not recognized this product, the Water Quality Association (WQA) has conducted testing and found that it satisfies NSF/ANSI criteria.

This product is easy to install. To flush out the loose carbon in your faucet, just take off the aerator if it has one, attach the diverter valve (two adapters and sealing washers are provided to fit either the internal or exterior threads on the faucet), and run the water until it clears. To change the water type from ordinary tap water to filtered water, rotate the diverter handle parallel to or away from the connection. This filtered water is ideal for brewing coffee, baking bread, and other uses.

  • Small-scale layout
  • Easy to connect
  • Unit and filter cartridges at a reasonable price
  • Is not effective in decreasing TDS (Totally dissolved solids)

6. Berkey Royal Water Filter

Berkey Royal Water Filter
Filter replacement frequency6,000 gallons
Capacity3.25 gallons
Dishwasher safeNo
Purification MethodCarbon, ion exchange
Yearly filter replacement cost$60/one-year combo

With the ability to filter out 99.9% of harmful germs and remove over 200 toxins, this standalone filtration system stands out as a water purifier. It’s adaptable and works well for both home and travel applications (though we suggest the smaller Travel Berkey for filtration of water while camping). It uses two activated carbon/ion exchange filters with holes of 0.2 to 0.3 microns to transfer water from the top chamber, where it is filled, to the lower chamber using gravity. By removing heavy metals, parasites, silt, and other contaminants, this microfiltration technique renders almost any water safe to drink. In addition, Berkey provides attachment filters that eliminate arsenic and lead.

Before you can set up the Royal Berkey, you’ll need to wash and hand-tighten its components. First, you’ll need to prime the filters by placing them under the faucet to soak up water and eliminate any air. The system comes with a silicone cover for the faucet that may help with priming, but it might break when you’re attaching it, which would make the task much more difficult. The filter may begin functioning after the 3.25-gallon top chamber is filled after construction. Although it takes a while for the system to filter the first batch of water, it gets better with each usage. Maintaining a constant level of water in the top chamber will ensure that you never run out of filtered water and have to wait for another filtering cycle.

The Berkey system requires less maintenance once it is up and running, even if the setup procedure took longer than anticipated. Replacing the filters should be simple if you are comfortable priming them.

  • Removes impurities, parasites, and germs from water by filtration
  • Stainless steel frame for long-lasting durability
  • Replacement filters for optimal performance
  • Not NSF or ANSI-certified
  • A slow filtering procedure, especially at first

7. PUR PLUS Faucet Mount Water Filtration System

PUR PLUS Faucet Mount Water Filtration System
Filter replacement frequency3 Months
Capacity100 gallons
Dishwasher safeNo
Purification MethodActivated Carbon, Ion Exchange
CertificationsNSF & WQA certified
Yearly filter replacement cost$44/pack of 4

Installing this faucet mount filter in your house is very simple; no special tools are needed; it simply snaps on. With a simple flick of a lever, you can enjoy filtered water at your fingertips every time you use your kitchen faucet. The best drinking water filtration system adds natural minerals to the water to improve its flavor while efficiently removing heavy metals like lead and mercury, as well as certain pesticides via the use of activated carbon and ion exchange.

Though compact in size, this filter packs a punch, holding up to 100 gallons of water (about three months of regular usage) before requiring a replacement. You will be able to tell when a change is needed thanks to an indication light. Although the flow rate of the Pur filter is a little bit sluggish, it’s still good for filling water bottles or a pitcher to store in the refrigerator.

  • Easily installable and reasonably priced
  • Removes over 70 contaminants, including lead and mercury
  • Not suitable with every kind of faucet
  • Slower output in comparison to some filters

8. Aquasana Rhino Whole House Water Filter

Aquasana Rhino Whole House Water Filter
Filter replacement frequencyEvery 6 years
Capacity14 gallons per minute
Dishwasher safeNo
Purification MethodIndependently tested Copper-Zinc (KDF) and Carbon filtration media
Yearly filter replacement cost$125

An excellent method to purify and disinfect the water entering your home is to install a whole-house water filter. You can rest easy knowing that these filters will purify the water you use for anything from washing dishes to taking a shower.

Based on our testing and consumer comments, Aquasana is a dependable brand that we recommend. Your drinking water will be safer to consume every day thanks to its whole-house filter, which removes harmful elements like lead and chlorine.

Plus, the 600,000-gallon capacity of this filter is equivalent to around six years of usage. Thus, you can be confident that you will not need to change the filter too often. Aquasana also provides alternatives, such as a salt-free water conditioner or a 10-year model, for those who are worried about hard water.

  • Has a 600,000-gallon water filtering capacity
  • Option to switch to a water conditioner that doesn’t use salt
  • Provides whole-house water filtration
  • Costlier

9. APEC Water Systems Reverse Osmosis Water Filter System

APEC Water Systems Reverse Osmosis Water Filter System
Filter replacement frequencyEvery 300 gallons/six months
Capacity50 gallons
Dishwasher safeNo
Purification MethodReverse osmosis, double carbon block
Yearly filter replacement cost$79

You can thank reverse osmosis for this top-rated brand’s stellar reputation; it effectively removes 99% of impurities, including lead, chlorine, arsenic, fluoride, and countless more that other filters miss. Installed under the kitchen sink, the system has a dedicated faucet for filtered water, eliminating the need to utilize potable water for activities such as washing hands or dishes. Your water consumption will determine how often you need to change the filters in this system but rest assured that they are easy to change, cheap, and replaceable every six to twelve months.

Although the system is more difficult to install (you’ll have to drill a second hole in your sink to accommodate the second tap), it operates silently and won’t lower your water pressure once it’s up and running. We also wholeheartedly endorse APEC’s FreeDrinkingWater initiative, which donates water filtration devices to low-income or immunocompromised persons.

  • Efficient and quiet under-sink filter
  • Combination of activated carbon and reverse osmosis effectively handles dirty water
  • Requires drilling a hole to install the additional tap needed for filtered water

10. Brondell Countertop Water Filtration System

Brondell Countertop Water Filtration System
Filter replacement frequency6 months
Capacity50 gallons
Dishwasher safeNo
Purification Method3-stage carbon filtration 
CertificationsWQA, NSF/ANSI standards 42, 53, and 372
Yearly filter replacement cost$29

Using cutting-edge technology, countertop water filters clean your tap water without needing to be installed beneath the sink. This specific model makes use of a proprietary three-stage Nanotrap technology, which is typically reserved for under-counter devices. It satisfies NSF/ANSI standards 42, 53, and 372 after undergoing extensive testing and certification by the WQA2, hence lowering lead, chlorine, and volatile organic compounds (VOCs). It also gets rid of bad tastes and smells, such as those from minerals and chlorine, according to our tests. Moreover, it leaves no trace of its use and tastes fresh.

With its compact countertop footprint, this model is well-liked by consumers for its elegant and slim appearance. There are three filters in the system, each of which represents a distinct filtering step. While stage two (the Nanotrap filter) has to be replaced about every 12 months, stages one (the composite plus filter) and three (the carbon block filter) need to be changed every six months.

The Cypress is simple to install on a typical kitchen faucet by using the included faucet adaptor. You may buy an under-counter water connection separately for faucets that are not standard. The T-valve installation and filter connection to the main cold-water line took around thirty minutes during our testing. There is no waiting after the filter is attached; all you have to do is push a button to get clean water right away.

  • Eliminates the taste of minerals and chlorine
  • Tankless, attaches to the faucet directly
  • Requires little room
  • Not necessarily compatible with every faucet

11. Brita Water Bottle with Filter

Brita Water Bottle with Filter
Filter replacement frequencyEvery two months
Capacity26 oz or 36 oz
Dishwasher safeN/A
Purification MethodActivated carbon block filter
Yearly filter replacement cost$20

The Brita brand has always done well in our testing, so we have faith in this water bottle even if we haven’t tried it ourselves personally. You can throw this Brita bottle in your bag without fear since it is BPA-free and has a leakproof cover.

Two sizes are available: one that fits most cup holders (26 ounces) and another that is more suitable for longer trips or situations when refills aren’t easily accessible (36 ounces). There are four eye-catching hues to choose from, and it has a built-in carrying loop for convenience. Having said that, a few reviewers noted that the straw was quite difficult to use due to its form.

  • Top-rated brand
  • Securely attached carrying loop for portability
  • Two sizes available
  • A few consumers find the straw’s style unappealing

12. LARQ Pitcher PureVis

LARQ Pitcher PureVis
Filter replacement frequencyEvery 3 months
Capacity8 cups
Dishwasher safeYes (except PureVis Wand, which should be hand washed)
CertificationsNSF/ANSI 42, 53 & 401 standards
Yearly filter replacement cost$120

Another great choice is the Larq PurVis Pitcher, which removes more than 45 pollutants. These include microplastics, heavy metals, volatile organic compounds, substances that damage the endocrine system, PFOA, PFOS, medications, and more. The UV light it uses to kill dangerous bacteria is what sets it apart from other water filter pitchers. Even when chlorine is eliminated, germs like Salmonella and E. coli may still live in the water.

We liked the Larq app’s intuitive design during testing; the app reminds you to change the filter without any effort, so there’s no need to guess. With the exception of the little rechargeable wand, which can be easily cleaned by hand, the pitcher can be washed in the dishwasher and flows water evenly and without splashing. It should be noted, nevertheless, that the filters can cost more than competing brands.

  • Removes heavy metals, endocrine disruptors, and microplastics from the water
  • UV light inhibits or deactivates Salmonella and E. coli
  • Safe for dishwasher
  • Replacement filters can cost more in comparison to others

13. Soma Glass Carafe

Soma Glass Carafe
Filter replacement frequencyEvery 2 months
Capacity8 cups
Dishwasher safeNo
CertificationWQA tested and NSF/ANSI Standard 53, 42
Yearly filter replacement cost$60

The modern and sleek design of this water filtration pitcher gives you the confidence to display it on your table when you have visitors around. Not only does its distinctive hourglass design draw attention, but it also makes it comfortable to hold. It efficiently filters out chlorine as well as four heavy metals—cadmium, copper, mercury, and zinc thanks to a deceptively hidden cone filter at the top of the carafe. It was easy to assemble, fill, and pour, according to our specialists.

  • Appealing design
  • Easy to carry
  • Filters out four heavy metals and chlorine
  • Only washable by hand

14. Culligan Advanced Faucet Mount Filter

Culligan Advanced Faucet Mount Filter
Filter replacement frequencyEvery 2 months
Dishwasher safeN/A
Purification MethodCarbon Block, Sedimentation
CertificationIAPMO against ANSI Standard 42 and 53
Yearly filter replacement cost$44

Although we didn’t test its filtering capacity in-depth, our experts strongly support the Culligan faucet filter. It was inexpensive, simple to install, and tested in accordance with ANSI standards 42 and 53, guaranteeing that it efficiently filters a wide range of pollutants. Its design especially pleased us, and given the positive reviews from our specialists and the established reputation of Culligan, we have no hesitation in recommending it.

With this filter, you can easily switch between unfiltered and filtered water by only pulling a diverter valve; installation doesn’t need any equipment. It efficiently removes lead, silt, chlorine, and other contaminants.

  • Simple to install without the need for tools
  • Converts unfiltered water to filtered water
  • Reasonably priced 
  • Makes the faucet heavier

15. Inline Shower Filter by Sonaki

Inline Shower Filter by Sonaki
Filter replacement frequencyEvery 15,000 gallons
Dishwasher safeN/A
Yearly filter replacement cost$52

You can expect a superior rinse with less effort and more lather with the Sonaki shower filter, as it softens the water. Its five-stage filtering process gets rid of chlorine, silt, and heavy metals, among other impurities. While this inline filter is compatible with the majority of best showerheads and is easy to install, it is crucial to check the manufacturer’s specifications to make sure it will work with yours.

In comparison to other shower filters, the Sonaki one is less discreet due to its approximately 10-inch-wide housing. This is something to think about if you like a simple, uncluttered aesthetic in your restroom.

  • Removing heavy metals, silt, and chlorine
  • Work with the majority of showerheads
  • Reduces hardness of water
  • Bulky on showerhead

How Do We Test Water Filters?

Our experienced team works together to identify the best water filtration system for homes available. We’ve tested over forty different water filters over the years, and we’re always looking for new ones.

We take into account many aspects throughout our testing procedure, including the filter’s capacity, simplicity of setup, and pourability, if relevant. We check that all instruction manuals are clear and evaluate which pitcher types are safe to use in the dishwasher. Performance is also important; this includes the tap water reservoir’s capacity and the filter’s ability to clean water rapidly.

Furthermore, we use data from external parties to confirm the claims about the removal of contaminants. We assess each filter’s lifetime and determine the annual cost of filter replacement based on manufacturer recommendations.

What to Look For When Shopping For the Best Water Filter

Capacity and Type

Take into account the size and weight of water filters when selecting pitchers, water bottles, or dispensers. Larger containers may need more room and weight, but they also require refilling less often. While countertop versions reduce under the sink space, they still need counter space. Size and capacity are irrelevant for under-the-sink, faucet, inline shower, and whole-house filters since they filter water as it runs through them instantaneously.


The majority of filters work with carbon or reverse osmosis (RO) techniques, with RO often using carbon. RO filters are more expensive and can remove more pollutants, but they may also remove minerals. To find out what the filter eliminates, look up its certifications. For example, NSF standards 372 and 401 address solely lead, but include industrial and agricultural pollutants as well.

Filter Replacement

Assess the frequency of filter replacements to ensure optimal performance. Look for longer-lasting choices if you hate or forget to change your filters. Whole-house filters save upkeep since they just need one replacement per complete house.


Take into account both the purchase price and continuous filtration expenses. In the long term, a more expensive filter could save money, but that’s not always the case. Determine the annual replacement costs by using the suggested timetable as a guide.

Do We Actually Need A Water Filter?

Safe drinking water access is an issue that affects communities all around the world, including those in the United States. The Environmental Working Group (EWG) most recently updated its Tap Water Database in 2021 if you’re unsure about the quality of your water. It’s a free and user-friendly resource available for all states. To get information on the quality of your drinking water based on EWG’s exacting standards—many of which are more severe than official guidelines—just enter your zip code or search your state. Consider using a water filter if the levels of lead in your tap water are higher than the EWG health standards.

Choosing bottled water may seem like a simple cure for possibly contaminated drinking water, but it really adds to a bigger issue with serious long-term pollution-related implications. Every year, Americans throw away over 30 million tons of plastic, just 8% of which is recycled. Because of differing recycling laws, the bulk of plastic garbage ends up in landfills. Investing in a water filter and reusable water bottle is the best option; some even have filters built right in!

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