Best Fluoride Water Filters
Fluoride is a natural mineral that is often present in both well water and municipal water. Tap water in the U.S. contains, on average, about 0.7 ppm (parts per million) of fluoride, which is below the national safety standard of 4 ppm.
However, if you would rather avoid taking any chances with fluoride in your water, there are a variety of different fluoride-specific filters you can use. These range from countertop systems and sink water filters to whole-house systems.
Deciding which filter to buy can be difficult – but we’ve done the hard part for you. We’ve researched and reviewed all of the top brands and models to find the best fluoride water filters on the market.
Best Fluoride Water Filters Compared
#1 Clearly Filtered Under Sink System
#2 Pelican Fluoride Whole-House System
#3 Aquasana OPTIMH20 RO + Claryum Under Sink
#4 Pelican Under Sink 6 Stage RO Water Filter
#5 Big Berkey Countertop Gravity Filter
#6 Clearly Filtered Water Filter Pitcher
What to Consider When Buying a Fluoride Water Filter
Even though fluoride filters come in a variety of styles and use several different filtration methods, it’s possible to compare them using the same criteria: the amount of fluoride and other contaminants they remove, the filter capacity and lifespan, the filtration rate, certifications, and price.
Capability to Remove Fluoride & Other Contaminants
A great fluoride filtration system removes a high percentage of fluoride, even when fluoride is present in your water at high concentrations. However, it’s unlikely that fluoride is the only potentially-harmful contaminant in your water.
By testing your water, you can find out exactly what harmful chemicals and contaminants it contains. Then, you can then find a filter that will remove fluoride from water along with all those additional contaminants. The most common water filtration systems that are effective for fluoride removal use reverse osmosis (RO), gravity, or special forms of carbon.
Filter Capacity & Lifespan
A fluoride filtration system with long-lasting filters will require less maintenance and ultimately cost less over the long term. It’s important to note that whereas some manufacturers publish the lifespan of their filters in years, others show the capacity rating in gallons.
Capacity refers to the number of gallons of water a filter can process. For instance, 100,000 gallons is approximately a lifespan of one year for a whole-house fluoride water filter.
Flow rate describes the water pressure of filtered tap water, usually in gallons per minute (GPM). It’s important to find a water filter that’s effective at removing contaminants without decreasing flow too much.
The two main independent organizations that certify water filtration products in accordance with defined quality standards are the Water Quality Association (WQA) and the National Sanitation Foundation (NSF). Certification from either of these organizations increases the likelihood that a fluoride filtration system will meet its manufacturer’s claims.
Price is always a key consideration when comparing the best water filters. We have made sure that each of the models on our list offers great value for money. In addition to the price of the filtration system itself, it’s necessary to consider future costs, such as for replacement filters.
The Best Fluoride Water Filter Reviews
In our search for the best fluoride water filter (based on the points above), we’ve narrowed it down to these six options, due to their capability to provide you with fluoride-free water.
#1 Clearly Filtered Under Sink Filter System – Best Overall
This is not just the best sink fluoride water filter but the best filtration system overall. A three-stage under-sink filtration system from Clearly Filtered, it removes up to 99.5 percent of fluoride from your water.
The first of the filtration stages is a premium carbon priming filter to remove chlorine, bad tastes and odors, cloudiness, volatile organic compounds (VOCs), and various chemicals. Stage two has the heavy metal and VOC filter, which removes metals like lead and chromium in addition to organic contaminants like herbicides and pesticides.
Finally, stage three of the multi-stage filtration process is the fluoride and arsenic filter. During this stage, the filtration system carries out fluoride removal and filters arsenic from your tap water using a proprietary filtration media.
Main Features & Benefits
Contaminants removed –This three-stage filter removes 99.5 percent of fluoride and 99 percent of nine perfluorinated chemicals as well as 16 herbicides, 49 pesticides, 54 semi-volatile compounds, 12 heavy metals, two radiological elements, 65 VOCs, 21 pharmaceuticals, chlorine, and chloramine.
The full list of the contaminants this sink fluoride filter removes is available on the Clearly Filtered website.
Filter capacity & lifespan –The capacity of each of the three filters is 2,000 gallons, which is 9 to 12 months, depending on your household’s usage. You should change all three filters at the same time. The filtration system itself comes with a lifetime warranty.
Flow rate –Clearly Filtered hasn’t published the flow rate in GPM of this sink water filter. However, the company has said that the filtration system will reduce outgoing water pressure by about 25 percent.
Certifications –This sink water filter has been NSF certified for standards 42 (which means it improves the taste and odor of water), 53 (which means it reduces harmful substances like lead), 244 (which means it reduces microbial contaminants), 401 (which means it removes emerging contaminants that have negative health effects), and 473 (which means it reduces PFOA and PFOS).
Price –At $500 for the filtration system and $400 for all three filters, this system offers excellent value for money, especially when you consider the range of unwanted contaminants it removes.
- Removes 99.5 percent of fluoride and more than 232 additional contaminants
- 2,000-gallon capacity water filtration system
- Easy, non-permanent installation – great for renters
- Lifetime warranty and 30-day money-back guarantee
- NSF-certified for five standards
- Replacing filter cartridges is easy
- Cold water flow drops by 25 percent
- Replacement filters are expensive
The Bottom Line
This is one of the best sink water filters on the market – not only for fluoride but also for more than 232 additional contaminants. It’s best for those with a municipal water supply who can afford the yearly filter replacements.
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#2 Pelican Whole House Fluoride Filter
Winning the silver medal is this whole-house filtration system from Pelican. Since regular block and granulated activated carbon filters cannot remove fluoride, Pelican uses a calcium-based carbon filter called bone char in addition to a sediment pre-filter.
The whole-house water filter features high-quality tanks and valves covered by a limited lifetime warranty. Pelican also prides itself on using a non-electric and zero-water waste design, which is environmentally friendly and doesn’t require much maintenance.
Main Features & Benefits
Contaminants removed – At 1 ppm concentration or less, this system offers virtually 100-percent fluoride removal. It is also certified to give a refreshing taste to water and improve odor. The sediment pre-filter reduces rust, suspended particles, and other large contaminants.
Filter capacity & lifespan – With a capacity of 450,000 gallons, the filter media should last between three to five years. The water filtration system itself comes with a lifetime warranty and the sediment pre-filter will last for six to 12 months.
Flow rate – Offering 15 GPM, this water filtration system can provide a high enough flow for homes with up to six bathrooms.
Certifications – This product has been NSF certified for standards 61 (meaning the parts meet quality standards) and 42 (meaning it improves taste and provides you with odorless water).
Price – The base price for this house water filter is $1,704, which makes it one of the more expensive house fluoride water filters on this list. The replacement media costs $624, but the sediment pre-filter costs only $22.88.
- Removes 100 percent of fluoride up to 1 ppm
- 15 GPM flow rate
- 450,000-gallon filter capacity
- Easy installation and maintenance
- 90-day satisfaction guarantee and limited lifetime warranty for parts
- No metal fittings – only plastic
- More expensive than some other house water filters
- Removes fewer contaminants from your tap water supply than other filters
The Bottom Line
This whole-house filter is a great choice for any home receiving municipal water that contains fluoride, chlorine, and chloramine. It’s a particularly excellent solution if you only need basic filtration, to improve the taste and smell of your water. You can rest assured that all of your water — including your drinking water — is fluoride-free.
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#3 Aquasana OPTIMH20 RO + Claryum
The OPTIMH20 under-the-sink reverse osmosis fluoride filtration system from Aquasana is a top choice for two reasons. First, it’s affordable. Second, it removes 95 percent of fluoride as well as 87 common contaminants.
This four-stage RO filtration system uses activated carbon, a 1-micron RO membrane, and a Claryum block filter, which combines activated and catalytic carbon along with ion-exchange and sub-micron filtration. The remineralization stage returns some of the healthy minerals that the RO filtration system removes from your drinking water and raises the pH of the water.
Main Features & Benefits
Contaminants removed –
The OPTIMH20 reverse osmosis filter removes 95 percent of fluoride as well as 97 percent of chlorine and arsenic, 99 percent of lead and asbestos, and 95 percent of mercury.
The RO filtration system is also effective at reducing chloramine and four other water treatment chemicals, suspended particles, crypto and giardia cysts, 35 industrial chemicals, 19 herbicides and pesticides, and eight pharmaceuticals — a total of 88 contaminants.
You can read the full list of contaminants the reverse osmosis fluoride filtration system removes on the Aquasana website.
Filter capacity & lifespan –Although Aquasana hasn’t published the filter capacities in gallons for each stage, the lifespans for the reverse osmosis membrane and the remineralizer are both one year, whereas the activated carbon and Claryum filters both last for six months.
Flow rate –The flow rate for this model is 0.5 GPM for the tap water from your kitchen sink, which is slightly lower than some other types of fluoride reduction systems. However, most RO systems offer around the same. The maximum production of pure water the reverse osmosis system can produce is just over 13 gallons per day.
Certifications –This product has been NSF certified for standards 42, 53, 58 (which is specific to reverse osmosis water filter performance), and 401.
Price –The RO filtration system itself costs $500, which is reasonable for a fluoride reverse osmosis system of this quality. The carbon and claryum filters both cost $64.99, whereas the remineralizer replacement filters cost $29.99 and the RO filters cost $59.99.
- Removes 95 percent of fluoride and 88 contaminants in total
- Three stages of filtration with a remineralization stage
- 2-year warranty and 90-day guarantee
- NSF certified for four standards
- Reasonable price
- You’ll need to change the filters frequently
- The installation process is complicated and requires a professional
The Bottom Line
This is one of the most effective RO systems available for fluoride. It also removes a variety of other water impurities. The system has a variety of NSF certifications, including one specific to RO filters, and it is available at a great price.
#4 Pelican Under Sink 6-Stage RO Water Filter
The Pelican Under Sink 6-Stage RO water filter delivers high-quality drinking water by sending unfiltered water through a reverse osmosis membrane and five other stages.
The first four stages are combined into one filter cartridge and include a sediment filter for large particles, an RO pre-filter, a carbon filter, and the reverse osmosis membrane itself.
The last two stages are combined in a second cartridge. Water passes from the tank and through a carbon post-filter and a remineralization stage.
Main Features & Benefits
Contaminants removed – This system removes 93.8 percent of fluoride as well as 99.0 percent of arsenic, 98.3 percent of chromium 6, 99.0 percent of chromium 3, 98.8 percent of barium, 98.4 percent of copper, 98.8 percent of radium 226/228, 97.9 percent of selenium, 98.7 percent of turbidity, 99.9 percent of cysts, 96.8 percent of lead, and 93.10 percent of all the dissolved solids present in water.
Filter capacity & lifespan – Pelican hasn’t published the filter capacities in gallons, but the company does say that the four-stage cartridge lasts for about 18 months, whereas the two-stage cartridge lasts for about six months, depending on your usage. The fluoride reduction system itself comes with a one-year limited warranty.
Flow rate – Although Pelican hasn’t published the flow rate for tap water, this water filter system can produce 50 gallons per day, which should be sufficient for most households.
Certifications –This fluoride reduction system has been WQA certified for NSF/ANSI standard 58.
Price –This is one of the more budget-friendly osmosis systems. It has an upfront price of $286.55 and the filters will cost you $365 every 18 months.
- Removes 93.8 percent of fluoride in addition to 11 other contaminants
- WQA certified
- Filters up to 50 gallons per day
- Great price
- Compact design means it will fit under the kitchen sink; alternatively, you can use it as a countertop filtration system
- Limited one year warranty
- No dishwasher or garbage disposal drain adapter
- Some consumers report issues with leaking faucets
The Bottom Line
This is a great fluoride reduction system for those who want to spread the costs out over time and still receive high-quality filtration. This RO system uses 50 percent less water than other RO systems, meaning it produces less overall waste, and the faucets come in three finishes to match your kitchen sink.
#5 Big Berkey Countertop Gravity Filter + Fluoride
This countertop system uses gravity filtration to remove more than 200 contaminants. Unfiltered tap water flows from the upper chamber of the countertop filtration system through a carbon composite and proprietary media blend. The result is pure water in the lower storage container.
The Berkey system has a 2.25-gallon storage capacity and is made with BPA-free parts. It is suitable for households made up of two to four people. To remove fluoride, you’ll need to purchase a separate fluoride filter for the standard countertop filter. However, when it has the fluoride filter, the Big Berkey is one of the best countertop water filters for fluoride on the market.
Main Features & Benefits
Contaminants removed –This filter removes 97 percent of fluoride in addition to 99.9999 percent of viruses, 99.9 percent of bacteria, 99.8 percent of trihalomethanes, 99.9 percent of chlorines and chloramines, 99.9 percent of 17 pharmaceuticals, 99.9 percent of arsenic, and many VOCs, pesticides, and other chemical contaminants for a total of 204 contaminants.
Check the Berkey website to see the full contaminant removal specifications.
Filter capacity & lifespan –This countertop filter has a 3,000-gallon capacity per filter cartridge. You can purchase the Big Berkey with either two or four filters. If you choose a two-filter system and your household uses four gallons of water per day, the filters will last more than four years.
Flow rate –With two filters, this system can filter 3.5 gallons per hour. With four, it can filter up to 7 gallons per hour.
Certifications – This product has been NSF certified for standards 53 and 42.
Price – The two-filter model with the fluoride filters costs $325, whereas the four-filter model with a fluoride cartridge costs $492. The filters cost $120 for a set of two regular filters and $65 for a set of two fluoride filters.
- Removes 97 percent of fluoride as well as 203 additional contaminants
- 3,000-gallon filter capacity
- Perfect size for clean drinking water in small homes and RVs
- Relatively inexpensive
- NSF certified
- Limited two-year warranty and 30-day guarantee
- To turn the Berkey system into a countertop fluoride filter, you need to purchase an additional filter cartridge
- It’s difficult to determine if the lower chamber is full
The Bottom Line
This is the best countertop system for removing fluoride. In addition, it’s effective at removing a wide variety of additional contaminants. Berkey is a top brand, meaning you can trust that this system removes all the contaminants the company claims it does.
#6 Clearly Filtered Water Filter Pitcher
If you don’t want to install a whole-house filter or an under-sink filter, a filtered pitcher can be a great alternative for fluoride removal.
This Clearly Filtered pitcher uses three-stage filtration with a mesh screen, a granulated activated carbon stage, and a proprietary blend of seven filtration materials to remove over 232 contaminants, including fluoride.
Main Features & Benefits
Contaminants removed – The Clearly Filtered pitcher removes 96.9 percent of fluoride up to 8 ppm and 98.2 percent of fluoride up to 2 ppm. It is also effective at removing PFOA and PFOS, microorganisms, herbicides, pesticides, heavy metals, VOCs, microplastics, pharmaceuticals, radiological elements, and semi-volatile compounds.
Check the Clearly Filtered website for the full list of contaminants the filtered pitcher removes.
Filter capacity & lifespan –The filter in this pitcher has a 100-gallon capacity, which means it should last for approximately four months. The fluoride water filter pitcher itself comes with a lifetime warranty.
Flow rate – Clearly Filtered hasn’t published the filtration rate for the pitcher, but some customer reviews report that it uses a slow filtration process – taking more than one hour for the full 10 cups.
Certifications – The Clearly Filtered pitcher has been NSF certified for standards 42, 53, 244, 401, and 473.
Price –The price is $75 for the pitcher. Clearly Filtered sells replacement filters at $140 for a three-pack. This is one of the most low-cost ways to ensure you receive fluoride-free, healthy drinking water.
- Removes up to 98.2 percent of fluoride as well as more than 230 additional contaminants
- 80-ounce (or 10-cup) water capacity
- NSF certified for five standards
- This filtration system is a pitcher, meaning it has no impact on the flow of tap water
- Budget friendly
- Guarantee and exchange policy
- Some customers report slow filtration times
- It’s necessary to remove the lid to add water because there’s no refill hole
- No indicator for the water filter lifespan
The Bottom Line
This is a great choice for those who want excellent fluoride filtration for their drinking water without needing to install anything to the cold water line. Despite the slow filtration rate, this is one of the best filter pitchers on the market.
Top 6 Fluoride Water Filters Feature Comparison
|Product||Fluoride Removed||Filter Lifespan||Certifications||Price|
|Clearly Filtered Under-Sink System||99.5%||9-12 months||NSF certified for 5 standards||$$$|
|Pelican Whole-House Fluoride Filter||100% |
|3-5 years||NSF certified for 2 standards||$$$$|
|Aquasana OPTIMH20 RO + Claryum||95%||6-12 months||NSF certified for 4 standards||$$|
|Pelican 6-Stage RO Under-Sink||93.8%||18 months||WQA certified for 1 standard||$$|
|Big Berkey Gravity Filter||97%||2-5 years||NSF certified for 2 standards||$$|
|Clearly Filtered Water Pitcher||98.2%||4 months||NSF certified for 5 standards||$|
Fluoride Water Filter Buyers Guide
Now you’ve seen our top choices to filter fluoride from your drinking water, it’s time to figure out which would be best for your needs. This guide will help you decide between the various options by explaining more about what it means to filter fluoride from drinking water and the different methods to achieve pure water.
What is Fluoride?
At 0.054 percent, fluorine is the thirteenth most abundant element on Earth, ranking even higher than carbon. In its elemental state, fluorine is a noxious yellow–green gas, but it’s most commonly found in its ionic form: fluoride. This form combines with other elements like sodium to create substances such as sodium fluoride.
How Does Fluoride Enter Drinking Water?
Fluoride occurs naturally in the air, soil, plants, and groundwater, although it is most prevalent in saltwater. Whereas fluoride can certainly be present in your water supply naturally, it is commonly added in trace amounts (less than 1 ppm) to municipal water supplies in a process called fluoridation. This is to help ensure that people receive enough fluoride daily to promote tooth health.
Fluoride Health Effects
Fluoride is slightly controversial because it has been associated with both positive and negative health effects. For example, there was a 68 percent decrease in the average number of missing or decaying teeth in 12-year-olds after fluoridated water was introduced in the U.S. between the 1960s and the 1990s.
This is because fluoride in small amounts can rebuild weakened tooth enamel, prevent tooth enamel from losing minerals, reduce tooth decay (or even reverse tooth decay that already exists), and prevent harmful oral bacteria growth.
On the flip side, too much fluoride can cause dental and skeletal fluorosis. Mild dental fluorosis just leads to white spots on tooth enamel, but severe dental fluorosis causes pits and other damage in the enamel. Skeletal fluorosis causes joint pain and stiffness and, in the case of prolonged exposure to very high doses of fluoride, can eventually progress to the calcification of ligaments.
Although fluorosis is most commonly caused by swallowing toothpaste (which you can prevent by using fluoride-free toothpaste) or exposure to excessively high amounts of fluoride in the water (over 2 ppm) over a long period of time, many people would rather not take any risks. This is where water filtration to reduce fluoride exposure can help.
Types of Water Filters That Remove Fluoride
There are several types of filtration systems that remove fluoride from water. These range from five-stage whole house filters that you install on your existing water line to point-of-use filters that you either attach to your kitchen sink faucet or that sit on your countertop.
Fluoride reduction filtration systems fall into five main categories:
- Under-sink filters
- Whole-house water filters
- Countertop water distiller
- Countertop gravity filters
- Pitcher filters
When considering the effectiveness of a filter, though, the filtration method is more important than the filter type. For example, a regular activated carbon filter is ineffective for fluoride reduction. This means that if you compare an under-sink filter that uses a regular granulated activated carbon filter and one that uses bone char, the one with bone char will remove fluoride to a much greater extent.
The main filtration methods that are effective for fluoride reduction are:
- Reverse osmosis
- Bone char and other ion exchange media
- Activated alumina
How The Filter Types Work
Reverse osmosis systems use pressure to force water across a semipermeable membrane. The reverse osmosis filters have pores that are large enough for water molecules to pass through, but other contaminants – including fluoride – are trapped by the filter. This method of filtration is common in point-of-use systems like under-sink filters, but it is too inefficient for a whole-house filter.
Bone char acts as an ion-exchange filter medium to remove fluoride from water. It does this by swapping fluoride ions in your drinking water for the calcium ions in the bone char.
Activated alumina removes fluoride by adsorption. The fluoride ions are trapped on the surface of the activated alumina. This method is also effective at removing arsenic and selenium from unfiltered water.
Whereas some manufacturers like Pelican use bone char exclusively to remove fluoride from drinking water, you’ll often see products that use a “proprietary blend” of media. This means that the manufacturer uses a multifaceted filtration system that uses a combination of materials the manufacturer has tested and developed. These proprietary blends don’t fall strictly into any one category. For example, a proprietary blend may incorporate both bone char and activated alumina or it may be a substance that uses ion exchange, adsorption, or another filtration process to remove fluoride from drinking water.
What to Look for When Buying a
Water Filter for Fluoride Reduction
When assessing water filters, we took five main criteria into account: the amount of fluoride and other contaminants they remove, filter life, flow rate, certifications, and price. Whereas this gives you a good baseline to compare the quality of different filters, there are other factors that will help you determine if a particular system is a good fit for your home.
Municipal vs Well Water Supply
If you receive municipal water, the likelihood is your drinking water is fluoridated.
However, fluoride concentrations are much more variable in well water. You’re also likely to have a different subset of contaminants.
Receiving a water test will show you what contaminants are present in your drinking water and in what amounts. This will help you pick a filter that is effective for filtering water both of fluoride and of the other impurities.
Find a water testing kit that meets your needs by checking our review of the best kits.
Ease of Installation and Use
If you’re looking at filters that require installation, such as whole-house filtration systems or under-sink filters, you should check in advance if it is easy to install. If a plumber will need to install the filtration system, this will add an extra expense. Bear in mind that installing a filtration system yourself may void the manufacturer’s warranty.
Similarly, consider how easy it is to maintain the filtration system. Some systems require you to change the filter cartridges as often as every six months. If switching the cartridge is difficult, you may prefer to choose a different system. Keeping a filter cartridge in longer than recommended will diminish your water quality.
Your Home’s Filtering Needs
If you’re living in an apartment or dorm room, your filtering needs are significantly different than those in large households with a high water usage. For example, if you’re single and living in a small home, you may find that 100 gallons per day is sufficient. In a larger household, however, you may need a filter with a much higher capacity.
There are also major differences between water pitcher filters and large-scale whole-house systems. If you receive well water, a whole-house system is likely necessary for filtering contaminants other than fluoride. Those with a municipal water supply, however, have more choice. What you choose will depend on the contaminants in your water besides fluoride and whether you just want to filter your drinking water or you also want purified water to wash clothes, wash the dishes, and for showers.
Fluoride Filter FAQs
These are some of the most common questions other customers have had when looking to purchase a fluoride water filter.
Q: How do I know a filter removes fluoride?
A: Many manufacturers publish the percentage of fluoride their filter removes based on their own and independent testing. To be completely sure a filter works as advertised, look for systems that have been certified by the NSF, WQA, or other independent organizations.
Q: Are there fluoride shower filters?
A: There are not currently any fluoride filters specifically for shower heads. Nonetheless, if you purchase a whole-house filtration system, it will reduce fluoride from the water that comes out of your shower.
Q: Is it dangerous to drink fluoride?
A: Fluoride toxicity depends on the levels of fluoride in your drinking water. When fluoride is less than 1 ppm, it is safe to drink water. In fact, fluoride at these levels has positive effects on tooth enamel. However, drinking water with more than 2 ppm of fluoride for an extended period of time can cause fluorosis.
Q: What types of filters remove fluoride?
A: Many types of filters can remove fluoride — it’s all about the filtration method. You can find fluoride filters as whole-house systems, under-sink filters, countertop filters, and even water filter pitchers.
Our pick for the best overall fluoride water filter is the Clearly Filtered Under Sink Unit, thanks to its fantastic filtering capabilities and high capacity.
In second place is the Pelican Whole House filter, which is also our choice for the best point-of-entry system.
The Aquasana OPTIMH2O system is a more affordable alternative to the Clearly Filtered model.
It can be difficult to determine which fluoride water filter is the best for your home, especially since there are many options, including whole-house units, under-sink systems, pitchers, and countertop units. Once you know your home’s filtration needs, you’ll be able to determine which type of filter will be a good fit.