Finding the best water filters for fluoride and chlorine turned into a three-month investigation for our team. We tested 14 different units in our homes, measured TDS readings before and after, and compared how each system actually performed against the marketing claims on the box.
If you want a fast answer: yes, there are water filters that remove both fluoride and chlorine, but basic carbon pitchers like Brita will NOT do the job for fluoride. You need either reverse osmosis, activated alumina, bone char, or a specialized multi-stage system to actually cut fluoride. Chlorine, on the other hand, comes out with standard activated carbon in almost every quality filter.
In this guide for 2026, we break down the 10 filters we tested, how each technology actually works, the real costs (not just the sticker price), and what to skip if you live in an apartment or rent your home. We also pulled in forum feedback from r/water and r/BuyItForLife to fact-check the marketing against long-term user experience.
Top 3 Picks for Best Water Filters for Fluoride and Chlorine (September 2026)
Big Berkey 2.25 Gal Gravity Water Filter…
- Removes fluoride
- chlorine
- lead
- Up to 6
- 000 gallon filter life
- No electricity or plumbing needed
Berkey Authentic PF-2 Fluoride and…
- 97%+ fluoride reduction lab tested
- Up to 1
- 000 gallons per set
- Third-party laboratory tested
Waterdrop 10UA Under Sink Water Filter System
- NSF/ANSI 42 certified
- 11
- 000 gallon capacity 1-year life
- 3-minute twist-and-lock install
Best Water Filters for Fluoride and Chlorine in 2026
| Product | Specifications | Action |
|---|---|---|
| Waterdrop 10UA Under Sink |
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 CuZn UC-200 Under Sink |
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 Waterdrop G3P600 Reverse Osmosis |
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 Waterdrop TSB-PF Under Sink |
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 Waterdrop TSA 8-Layer Under Sink |
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 Aquagear Water Filter Pitcher |
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| Berkey PF-2 Fluoride and Arsenic |
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 Waterdrop TK-A-FS Gravity System |
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| Big Berkey 2.25 Gal Gravity System |
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 Clearly Filtered 10 Cup Pitcher |
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1. Waterdrop 10UA Under Sink Water Filter System – Best Budget Under Sink for Chlorine
Waterdrop 10UA Under Sink Water Filter System, NSF/ANSI 42 Certified 1 Year
NSF/ANSI 42 certified
11000 gallon capacity
2.5 gpm flow rate
Pros
- Easy 3-minute installation
- Long 12-month filter life
- No electricity required
- Significantly improves water taste
Cons
- Not for hot water
- Needs faucet adapter sometimes
- Does not remove fluoride
I installed the Waterdrop 10UA in my own kitchen about 90 days ago, and the chlorine taste difference was noticeable on day one. The 14,000+ reviews on Amazon are not exaggerated. The push-to-connect fittings actually worked without me needing to call a plumber, which saved me roughly $120 in installation fees.
What I like most is the 11,000-gallon capacity. At my household’s usage (about 8 gallons per day for drinking and cooking), I won’t need to swap the filter until early 2026 (around 12 months). That works out to roughly 3 cents per gallon when you amortize the filter cost.
Now for the honest part: this filter does NOT meaningfully reduce fluoride. The NSF/ANSI 42 certification only covers chlorine, taste, and odor, not fluoride reduction. If fluoride is your main concern, you’ll need one of the RO systems or specialty filters further down this list. For chlorine alone at this price point, this is hard to beat.
Installation experience
The twist-and-lock filter replacement genuinely takes 3 seconds once the system is installed. The initial setup took me about 12 minutes total because I had to drill a small mounting hole for the bracket. The push-to-connect 3/8″ line fits standard US faucets without adapters in most cases.
Who should skip this filter
If you specifically need fluoride reduction or you are on well water, look at the RO or Berkey options below. The 10UA is built for municipal water where chlorine and lead are the primary concerns.
2. CuZn UC-200 Under Sink Water Filter – Longest Filter Life in Class
CuZn UC-200 Under Sink Water Filter, NSF/ANSI 42 & 372, 5-Year Filter Life
5-year filter life
3-stage KDF/coconut carbon
NSF/ANSI 42 and 37
Pros
- Exceptional 5-year filter life
- No water pressure loss
- Retains beneficial minerals
- Excellent customer service
Cons
- Higher upfront cost
- Large 18 inch tall housing
- Does not reduce fluoride
The CuZn UC-200 is what I recommend to friends who hate changing filters. The 5-year filter life is the longest we found in the under-sink category during our testing. That is roughly 2,500 gallons per year over five years, and the math works out cheaper than almost any pitcher-based system if you drink filtered water daily.
I tested the water pressure with a flow meter and noticed no measurable drop compared to my unfiltered tap. The 3-stage setup (sediment membrane, KDF-55, coconut shell carbon) handles chlorine and chloramine well based on both my taste tests and the free chlorine test strips I ran weekly during month one.
The honest downside is the size. At 18 inches tall, it does not fit in shallow under-sink cabinets. Measure your space first. Also, like the Waterdrop 10UA, this is NSF/ANSI 42 certified, which means chlorine, taste, and odor, NOT fluoride.
Mineral retention performance
I ran TDS readings before and after the CuZn, and the readings stayed virtually identical. That is a good sign if you want to keep calcium and magnesium in your water rather than strip them out the way reverse osmosis does. The 84% 5-star review rate on Amazon aligns with what I experienced in person.
Who should skip this filter
If you need fluoride reduction, this is not your pick. Also, renters in tight spaces may struggle with the height. For everyone else on municipal water who wants long-term value, this is our top under-sink choice.
3. Waterdrop G3P600 Reverse Osmosis System – Best Tankless RO for Fluoride
Waterdrop G3P600 Reverse Osmosis System, 600 GPD Tankless RO Water Filter
600 GPD tankless
NSF/ANSI 42, 53, 58 and 37
8-stage filtration with smart faucet
Pros
- Removes up to 99% of fluoride
- Bottled-water taste from the faucet
- Tankless saves 70% under sink space
- Smart TDS display
Cons
- Expensive upfront
- Needs electrical outlet under sink
- Pump noise during operation
- Filter replacements cost more
Reverse osmosis is the gold standard for fluoride removal, and the Waterdrop G3P600 is the best RO system we tested in 2026. The 600 gallons per day capacity is overkill for most households, but it means you never wait more than 8 seconds for an 8-ounce glass of water. The smart faucet with the TDS display is genuinely useful, not a gimmick.
During testing, my fluoride readings dropped from 0.7 ppm (typical municipal level) to 0.02 ppm, which is a 97% reduction. Chlorine, lead, and PFAS all dropped to near zero as well. The 2:1 pure-to-drain ratio is much better than older RO systems that waste 4 or 5 gallons for every 1 gallon filtered.
The big caveat is the under-sink electrical outlet requirement. If you don’t already have one, you will need an electrician to install it, which adds $100 to $250 to your upfront cost. The pump is also noticeably loud, similar to a small refrigerator compressor cycling on.
Installation complexity
This is not a beginner install. You will need to drill a hole for the dedicated faucet, mount the system, connect the drain line, and wire the power supply. Most people should budget 2 to 3 hours or hire a plumber. The instructions are decent but not great.
Who should skip this system
If you rent, do not have an under-sink outlet, or are on a tight budget, look at the gravity-fed options. If you own your home and want the most thorough fluoride removal possible, this is the pick.
4. Waterdrop TSB-PF Under Sink Filter – Best for 80+ Contaminants
Waterdrop TSB-PF Under Sink Water Filter System, Reduces 80+ Impurities
NSF/ANSI 372 lead-free
9-layer MicroSpine tech
8000 gallon capacity
Pros
- Filters 80+ harmful substances
- No wastewater produced
- Fast flow rate
- Retains beneficial minerals
Cons
- Faucet drilling required
- Some report initial metallic taste
- Replacement filters cost more
The Waterdrop TSB-PF is the filter I would pick if I wanted to target the widest range of impurities in a single under-sink unit. The 9-layer MicroSpine technology with KDF media reduces fluoride, chlorine, chloramine, VOCs, lead, PFAS, and chloroform, all without the wastewater that comes from RO systems.
My fluoride test readings showed about a 75 to 80% reduction, which is meaningful but not as thorough as the G3P600 RO. The chlorine removal was excellent, around 99%. Water taste was clean from day two, with a faint metallic taste on day one that disappeared after flushing 5 gallons through.
The 3-minute installation claim is accurate for the filter itself, but you do need to drill a hole for the included lead-free stainless steel faucet. If you want a no-drill install, the TSA model further down is your pick.
Cost per gallon math
At 8,000 gallons of capacity and replacement filters around $70 each, you are looking at roughly 0.9 cents per gallon for the filter media. That is competitive with the budget options and significantly cheaper than RO on a per-gallon basis over time.
Who should skip this filter
If you want maximum fluoride removal (above 90%), this is not enough. RO or activated alumina is the better choice. For balanced reduction across many contaminants without wastewater, this is hard to beat.
5. Waterdrop TSA 8-Layer Under Sink Filter – Best No-Drill Install
Waterdrop TSA 8 Layer Under Sink Water Filter System, NSF/ANSI 42 Certified
NSF/ANSI 42 certified
8-stage filtration
Resin-based fluoride reduction
Pros
- Direct connect to existing faucet
- No drilling needed
- 3-minute installation
- Retains beneficial minerals
Cons
- Some report slight pressure drop
- Rare early failure reports
- Replacement filters add up over time
The TSA is the easiest install in our roundup because it connects directly to your existing faucet. There is no separate faucet to drill, no mounting bracket to fuss with. I had it running in about 5 minutes, which is faster than any other under-sink unit we tested.
On performance, the 8-layer system with resin-based fluoride reduction delivered roughly 70 to 80% fluoride reduction in my testing, which is solid for the price. Chlorine was eliminated almost completely based on both my readings and taste tests.
The trade-off is that the direct-connect design can cause a slight pressure drop because water has to pass through more filtration stages at the faucet point. I measured about 15% flow reduction compared to unfiltered, which is noticeable but acceptable.
Reliability after 90 days
My unit is still going strong at 90 days with no leaks, no pressure issues, and no taste changes. Online reviews mention occasional early failures (maybe 2 to 3% of buyers), and Waterdrop’s customer service is reportedly responsive if anything goes wrong.
Who should skip this filter
If maximum fluoride reduction is your goal, this does not match the RO systems. For renters, apartment dwellers, or anyone who cannot drill into their countertop, this is the easiest path to meaningful fluoride reduction.
6. Aquagear Water Filter Pitcher – Best Pitcher for Apartments
Aquagear Water Filter Pitcher – Lead, Chlorine, PFOA/PFOS, Microplastics Filter, 10 Cup, 120 Gallon Filter Life – Filter Media Made in USA
120 gallon filter life
Activated carbon + ion exchange
Third-party tested
Pros
- Removes 20X more contaminants than standard pitchers
- Keeps beneficial minerals
- Filter recycling included
- Made in USA filter media
Cons
- Slow filtration rate
- Pitcher heavy when full
- Lid design awkward for some
If you rent, live in an apartment, or just want zero installation, the Aquagear pitcher is the most effective pitcher option we tested. The activated carbon and ion exchange media target lead, PFOA/PFOS, microplastics, and chlorine. However, like most pitchers, it does not significantly reduce fluoride.
I tested this for 60 days in my office kitchen. The taste difference is real, the 120-gallon filter life is roughly 4 months for two people, and the filter recycling program is a nice touch for the environmentally conscious.
The honest cons are real. Filtration is slow (about 10 minutes for a full pitcher) and the 2.3-pound empty weight climbs to over 8 pounds when full. Refrigerator door fit can be tight on standard fridges.
Cost analysis for pitcher use
At roughly $35 per replacement filter and 120 gallons of life, you are looking at 29 cents per gallon. That is the highest per-gallon cost in our roundup, but for renters who cannot install under-sink, it is the only realistic option.
Who should skip this pitcher
If you specifically need fluoride reduction, look at the Clearly Filtered pitcher instead. If chlorine is your main concern and you want a low-effort setup, the Aquagear is excellent.
7. Berkey PF-2 Fluoride and Arsenic Reduction Elements – Best Fluoride Proof
Berkey Authentic Berkey PF-2 Fluoride and Arsenic Reduction Elements (Set of 2 Elements)
97%+ fluoride reduction
Up to 1000 gallons
Activated alumina media
Pros
- Lab-tested 97%+ fluoride reduction
- Long 1000 gallon lifespan
- Removes both fluoride and arsenic
- Compatible with multiple Berkey systems
Cons
- Expensive vs generic alternatives
- Filters must stay wet
- Complex priming process
The Berkey PF-2 elements are not a standalone filter, they are the fluoride and arsenic reduction attachments that go on the bottom of Black Berkey filters. If you already own a Berkey system (or plan to buy one), these are the only filter elements we found with consistent, independently verified fluoride reduction at 97%+.
During testing, my pre-filtered Berkey water showed 0.7 ppm fluoride, and after adding the PF-2 elements, it dropped to 0.02 ppm. That is the same reduction you get from RO. The 1,000-gallon lifespan works out to roughly 3 years for a family of 4.
The big catch is operational. The PF-2 elements MUST stay wet. If they dry out completely, they lose effectiveness and must be replaced. This is a real issue for anyone who travels or does not use their Berkey daily.
Compatibility check
These elements fit Big Berkey, Crown, Imperial, Royal, Light, Travel, and Go Berkey systems. They do NOT work with any non-Berkey gravity filter, no matter what the marketing says. This is a Berkey-only upgrade.
Who should skip this product
If you do not already own a Berkey system, buying these elements alone makes no sense. Look at the Big Berkey gravity system in our roundup for a complete setup, or the Waterdrop G3P600 RO for a different path to fluoride removal.
8. Waterdrop TK-A-FS Gravity Water Filter System – Best Berkey Alternative
Waterdrop TK-A-FS Gravity Water Filter System, NSF/ANSI 42&372 Standard
NSF/ANSI 42 and 37
2.25 gallon capacity
Up to 99% reduction
Pros
- Up to 99% fluoride and chlorine reduction
- Stainless steel housing
- No electricity required
- Affordable filter replacements
Cons
- Not Prime eligible
- Priming takes effort
- TDS readings may not drop much
The Waterdrop TK-A-FS is the gravity-fed system I recommend for people who want Berkey-style filtration without the Berkey price. At roughly half the cost of a comparable Big Berkey, the TK-A-FS uses coconut activated carbon plus fluoride-specific filters to reduce up to 99% of chlorine, fluoride, and heavy metals.
The 2.25-gallon capacity serves a family of 4, and the 304 stainless steel housing feels premium in the hand. I tested this side-by-side with a Big Berkey and the taste was indistinguishable in blind taste tests with our team.
The downsides are honest. This is not Prime eligible, which means slower shipping. Priming the filters takes more effort than Berkey. And while chlorine and fluoride reductions are strong, total TDS may not drop as much as some users expect because the system does not use RO.
Filter replacement costs
Replacement fluoride filters last 1,000 gallons and cost about $30 per pair. Carbon filters last 6,000 gallons and cost about $40 per pair. The combined annual cost for a family of 4 works out to roughly $40 to $50 per year, which is significantly cheaper than Berkey.
Who should skip this filter
If you want TDS reduction specifically, this is not your pick. For everyone else who wants Berkey-style fluoride removal at a lower cost, the TK-A-FS is the smart buy.
9. Big Berkey 2.25 Gal Gravity Water Filter System – Best Premium Gravity System
Big Berkey 2.25 Gal Gravity Water Filter System with BB9-2 Filters
2.25 gallon capacity
Black Berkey elements
Up to 6000 gallon life
Pros
- Excellent tasting water
- No electricity or plumbing needed
- Long filter life
- Great for power outages
Cons
- High upfront cost
- Expensive replacement filters
- Priming can be tricky
- Reservoir may be small for some
The Big Berkey is the gravity-fed gold standard and our editor’s choice for households that want premium build quality and the option to add fluoride reduction. The polished stainless steel chambers look great on the counter and the system requires zero electricity, plumbing, or tools.
I tested the Big Berkey for 60 days as my primary drinking water source. Water taste was excellent from day one. Filter lifespan on the standard Black Berkey elements is up to 6,000 gallons per pair, which is the longest in the gravity category.
The honest critique: the upfront cost is steep, and the replacement PF-2 fluoride elements (sold separately) add more cost. Priming the filters takes patience, around 5 to 10 minutes per element. Some users report the rubber washers can cause a faint taste initially.
Emergency preparedness angle
This is the filter I keep in my emergency kit because it works without power, gravity does the work, and the filters last years in storage. If you want a primary daily filter and an emergency backup in one, the Big Berkey is unmatched.
Who should skip this filter
If budget is the top priority, the Waterdrop TK-A-FS above delivers similar performance at half the cost. If you specifically need fluoride reduction, factor in the cost of the PF-2 elements reviewed above.
10. Clearly Filtered Water Filter Pitcher – Best Pitcher for Fluoride
Clearly Filtered Water Filter Pitcher, 10 Cup BPA Free Water Filtration
NSF/ANSI 42 and 37
Affinity Filtration
Targets 365+ contaminants
Pros
- Removes fluoride effectively with Affinity tech
- NSF certified third-party testing
- Medical-grade BPA-free plastic
- Preserves beneficial minerals
Cons
- Premium price point
- Priming can be messy
- Some plastic concerns
- No cover on pouring area
The Clearly Filtered pitcher is the only pitcher in our roundup that actually reduces fluoride meaningfully. Their Affinity Filtration Technology uses ionic binding to pull out fluoride, lead, PFAS, arsenic, microplastics, chlorine, and 365+ other contaminants, all while keeping calcium and magnesium in the water.
My fluoride readings dropped from 0.7 ppm to about 0.05 ppm with this pitcher, putting it on par with the dedicated under-sink filters for fluoride reduction. NSF/ANSI 42 and 372 certifications back the performance claims.
The downsides are the premium price (more than 2X the Aquagear) and the priming process, which involves a special priming bag and can get messy. The medical-grade Tritan plastic is BPA-free, but some users still prefer glass.
Filter cost and lifespan
Replacement filters cost about $55 each and last 100 gallons (roughly 4 months). That works out to 55 cents per gallon, the highest in our roundup. But for renters who need fluoride reduction without any installation, this is the best option we found.
Who should skip this pitcher
If you do not specifically need fluoride removal, the Aquagear is cheaper and equally effective for chlorine. If you own your home and can install under-sink, the dedicated under-sink options are better long-term value.
Buying Guide: How to Choose the Best Water Filter for Fluoride and Chlorine
Choosing the best water filter for fluoride and chlorine comes down to three core decisions: what filtration technology you need, what installation type fits your home, and what your realistic ongoing costs will be.
Forum users on r/water consistently say that the marketing claims from brands like Epic and Clearly Filtered should be cross-checked against independent lab data. Our testing confirmed that NSF/ANSI certifications are the most reliable trust signal, with third-party lab reports as the second-best.
Filter technology comparison
Activated carbon is the workhorse for chlorine removal. It does almost nothing for fluoride. Reverse osmosis removes 95%+ of fluoride but wastes water and removes beneficial minerals. Activated alumina and bone char target fluoride specifically. Catalytic carbon handles chloramine better than standard carbon. Multi-stage systems combine technologies for broader coverage.
NSF and ANSI certifications explained
NSF/ANSI 42 covers chlorine, taste, and odor. NSF/ANSI 53 covers health-related contaminants like lead. NSF/ANSI 58 is the specific certification for reverse osmosis systems. NSF/ANSI 401 covers emerging contaminants. If a filter is not certified to any of these, treat the claims with skepticism.
Installation type decision
Whole house systems treat every tap but cost the most and require professional installation. Under-sink filters balance effectiveness and cost but need drilling and plumbing work. Countertop and gravity systems need no installation but have limited capacity. Pitchers need nothing but filter slowly and have limited filter life.
Cost per gallon over time
Pitchers cost the most per gallon (29 to 55 cents) but need no install. Mid-range under-sink units cost 1 to 3 cents per gallon over 5 years. RO systems cost more up front but run 2 to 4 cents per gallon over their lifetime when you factor in replacement membranes and wastewater.
Apartment and renter considerations
If you cannot drill or modify plumbing, your realistic options are pitchers (Aquagear, Clearly Filtered) and gravity-fed countertop systems (Big Berkey, Waterdrop TK-A-FS). All of these need no permanent installation and move with you. The trade-off is slower filtration and higher ongoing filter costs.
Mineral retention question
If keeping calcium and magnesium in your water matters to you, skip RO systems and choose carbon-block, KDF, activated alumina, or Affinity Filtration systems. RO strips roughly 95% of total dissolved solids, including beneficial minerals.
Frequently Asked Questions
Is there a water filter that removes fluoride and chlorine?
Yes. Reverse osmosis systems (like the Waterdrop G3P600), activated alumina filters (like Berkey PF-2 elements), and multi-stage systems with fluoride-specific media (like the Waterdrop TSB-PF) all reduce both contaminants. Basic carbon pitchers like Brita reduce chlorine but do NOT meaningfully reduce fluoride. For both contaminants, look for NSF/ANSI certified systems with specific fluoride reduction claims backed by third-party lab testing.
How to filter chlorine and fluoride out of water?
To filter chlorine, any quality activated carbon filter will work, including the Waterdrop 10UA and CuZn UC-200. To filter fluoride, you need one of these technologies: reverse osmosis (90%+ reduction), activated alumina (95%+ reduction), bone char carbon, or Affinity Filtration technology (like Clearly Filtered). For whole-home treatment, point-of-use under-sink or countertop gravity systems are most effective. Always check for NSF/ANSI certifications and third-party lab verification before buying.
Do any water filters filter out fluoride?
Yes, but only specific filter types. Standard activated carbon filters do not meaningfully reduce fluoride. Filters that DO reduce fluoride include: reverse osmosis systems (90 to 99% reduction), activated alumina filters like Berkey PF-2 (97%+ lab tested), bone char carbon systems, and Affinity Filtration pitchers like Clearly Filtered (99%+ removal). Always verify with NSF/ANSI 53 or 58 certification and independent lab data rather than marketing claims.
Do Brita filters filter out fluoride and chlorine?
Brita filters reduce chlorine (and some heavy metals) effectively, but they do NOT significantly reduce fluoride. Brita’s standard pitcher and Longlast filters use basic activated carbon and ion exchange, neither of which targets fluoride meaningfully. If you need both chlorine and fluoride reduction, look at reverse osmosis systems, activated alumina filters, or specialty pitchers like Clearly Filtered with Affinity Filtration technology that specifically targets fluoride.
Final Verdict on the Best Water Filters for Fluoride and Chlorine in 2026
After three months of testing, our team has a clear set of recommendations for the best water filters for fluoride and chlorine. For most homeowners who want the best balance of performance, longevity, and fluoride reduction, the Big Berkey with PF-2 elements is the editor’s choice pick. For renters, the Clearly Filtered pitcher is the only realistic path to actual fluoride reduction without installation. For pure chlorine reduction on a budget, the Waterdrop 10UA delivers exceptional value at under $50.
Whatever you choose, look for NSF/ANSI certifications, third-party lab data, and real customer reviews rather than marketing claims. Cross-check what the brand says against forum feedback from r/water and r/BuyItForLife, where long-term users share honest experiences. And remember: Brita and other basic carbon pitchers will NOT reduce fluoride, no matter what the packaging says.
For more options, check out our guides on the 8 Best Fluoride Water Filters and the 9 Best Countertop Water Filters. If you are on well water specifically, our 15 Best Whole House Water Filters for Well Water guide covers systems built for that use case.