Looking for a simple and effective way to reduce fluoride and arsenic in your drinking water? Berkey® Fluoride Filters, also known as PF-2™ elements, are the perfect solution when paired with your Berkey water filter system. These filters are ideal for health-conscious households who want to take full control of what’s in their water.
In this guide, you'll learn everything you need to know about Berkey fluoride filters—including how they work, when to replace them, and how to find Berkey fluoride filters on sale from trusted sources like SafeCastle. Plus, if you're ready to make the switch today, we’ve included CTAs so you can order Berkey water filter systems or buy now with confidence.
What Are Berkey Fluoride Filters?
Berkey® PF-2™ Fluoride and Arsenic Reduction Filters are designed to work alongside the powerful Black Berkey® Elements. While the Black Berkey® Elements remove over 200 contaminants, including bacteria, viruses, and heavy metals, they do not remove fluoride. The PF-2™ filters complete the purification process by specifically targeting:
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Fluoride
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Arsenic V and Arsenic III
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Pre-oxidized uranium
By attaching the PF-2™ filters to the stems of your Black Berkey® Elements, you achieve a more complete purification process—ideal for those who value clean, chemical-free drinking water.
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Why Should You Remove Fluoride?
Fluoride is added to many municipal water supplies for dental health benefits, but excessive exposure may raise concerns, especially for infants, pregnant women, or those with thyroid conditions.
Reasons many choose to remove fluoride:
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Concerns about long-term health effects
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Preference for additive-free water
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Desire for more control over household water quality
“Since adding PF-2 filters to our system, our water tastes cleaner, and we feel safer. No regrets!”
— Sophia M., Texas
How Berkey Fluoride Filters Work?
PF-2™ filters utilize activated alumina to reduce fluoride and arsenic levels via a process called adsorption. The water flows through the Black Berkey® Elements first, removing bacteria and contaminants, and then through the PF-2™ filters for fluoride and arsenic reduction.
How to Use:
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Prime the PF-2™ filters before installing.
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Attach to the Black Berkey® Elements’ stems.
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Allow 2-3 cycles of water to run through before regular use.
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Compatible Berkey Systems
You can use PF-2™ Fluoride Filters with the following gravity-fed Berkey® systems:
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Travel Berkey®
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Big Berkey®
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Royal Berkey®
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Imperial Berkey®
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Crown Berkey™
Order Berkey water filter systems from SafeCastle and get fast, MAP-compliant shipping.
Lifespan & Replacements
Each pair of PF-2™ filters is rated for 1,000 gallons or up to 12 months of use. This makes it easy to plan replacements alongside your regular filter maintenance.
Signs You Need Replacement:
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Over 12 months of use
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Slower filtration speed
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Unpleasant taste returning
Need a replacement? Berkey filters buy now and keep your system running at its best.
Storage & Maintenance Tips
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Store fluoride filters dry in a cool, dark location.
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Never freeze or expose to direct sunlight.
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Reprime the filters before reinstalling after storage.
When cleaning your Berkey® system, remove the PF-2™ filters to avoid any media disruption.
Are Fluoride Filters Necessary?
If your local tap water contains fluoride and you're concerned about exposure, then yes, PF-2™ filters are essential. They help ensure you're drinking water that’s as pure and clean as possible.
Still unsure? Contact SafeCastle for water testing resources or guidance on your local water report.
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Where to Buy Genuine Berkey Fluoride Filters?
For safety, always buy from Authorized Berkey® Dealers like SafeCastle. We follow NMCL’s latest MAP Policy (effective March 17, 2025), which ensures fair pricing, authenticity, and customer protection.
What You Get from SafeCastle:
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Genuine PF-2™ fluoride filters
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MAP-compliant pricing
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Free shipping on most orders
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Fast delivery and expert support
Avoid counterfeit filters that underperform and violate MAP. Trust SafeCastle for real, authorized Berkey® products.
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How to Replace Your Berkey Fluoride Filters?
Replacing your PF-2™ filters is quick and easy:
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Remove the old filters from the Black Berkey® Elements.
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Discard safely (not recyclable).
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Prime the new filters.
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Attach to the stems and reassemble the system.
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Run 2–3 full chambers of water through before consumption.
Always match the number of PF-2™ filters to the number of Black Berkey® Elements in your system.
Final Thoughts: Upgrade Your Filtration Today
When combined with Black Berkey® Elements, Berkey® PF-2™ fluoride filters offer a powerful defense against contaminants often overlooked, like fluoride and arsenic. Whether you're building your first Berkey® setup or replacing filters in your existing system, SafeCastle has what you need.