Royal Berkey® Gravity-Fed Water Filter - 3.25 Gallons
Royal Berkey® Water Filter System – Built for Higher Daily Water Use
The Royal Berkey® Water Filter System was designed for households that use more water.
Some families don’t just drink filtered water — they cook with it, brew coffee with it, fill sports bottles, hydrate pets, and keep extra on hand. If you find yourself refilling smaller systems too often, the Royal Berkey® offers the added capacity and output to keep up.
With a 3.25-gallon storage capacity, it reduces refill frequency while maintaining the same trusted gravity-fed performance Berkey® systems are known for.
*Due to state regulations, this product is not available for sale in California or Iowa.
Designed Around Real Household Demand
The Royal Berkey® comfortably serves 2–4 people for everyday use, but its real strength lies in its efficiency.
Compared to smaller models:
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Fewer refills throughout the day
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Greater water availability during gatherings
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More practical for active families
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Better suited for higher hydration needs
If the Big Berkey® feels slightly undersized for your lifestyle, the Royal often becomes the natural upgrade.
Capacity & Output
Storage Capacity: 3.25 gallons (12.3 liters)
Diameter: 9.5"
Height (in use): Approximately 23–24"
Height (nested for storage): 15.25"
Weight: 8 lbs empty
Flow Rate
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With 2 Black Berkey® Elements: up to 4 gallons per hour
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With 4 Elements installed: up to 8 gallons per hour
This makes it one of the highest-output gravity systems available for home use.
Flow rate is calculated with a full upper chamber and naturally slows as the water level drops.
Expandable Filtration Power
The Royal Berkey comes standard with:
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Expandable to 4 Black Berkey® Elements
Each element is rated for approximately 3,000 gallons, meaning a standard 2-element configuration provides about 6,000 gallons before replacement is recommended.
Optional PF-2™ Fluoride & Arsenic Reduction Filters (up to 4) may be installed in the lower chamber to reduce fluoride.
What Makes the Royal Berkey® Different?
All stainless steel Berkey® systems use the same filtration elements. The difference is in capacity and efficiency.
The Royal Berkey® is ideal for:
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Families that cook frequently
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Athletes or high-hydration households
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Homes with pets
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Entertaining guests
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Shared housing or small offices
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Emergency water storage with higher daily draw
It’s the “middle ground” system — larger than the Big Berkey®, but not as tall or commercial-sized as the Imperial or Crown.
Built for Long-Term Use
Constructed from highly polished AISI 304 stainless steel, the Royal Berkey® is designed to withstand years of daily use.
It operates without:
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Electricity
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Plumbing
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Complex installation
Just pour water into the upper chamber and let gravity do the work.
Included with the Royal Berkey®
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Upper & lower stainless steel chambers
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2 Black Berkey® Elements
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Stainless steel lid
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Standard spigot
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2 wingnuts
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2 washers
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2 blocking plugs
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1 priming button
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Rubber base gasket
Everything needed to begin filtering right away.
Everyday Reliability & Preparedness
While the Royal Berkey is ideal for daily kitchen use, its size also makes it well-suited for emergency planning.
In emergency scenarios, when refilled continuously, the system can support significantly larger groups depending on water usage needs.
Because it operates solely on gravity, it continues to function during:
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Power outages
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Natural disasters
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Municipal water disruptions
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Grid-down situations
Who Typically Chooses the Royal Berkey®?
Customers who choose the Royal often say:
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“We were refilling our smaller system too often.”
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“We use filtered water for everything.”
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“We wanted something that could handle guests or emergencies.”
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“We prefer having extra filtered water ready.”
If that sounds familiar, the Royal Berkey is likely the right fit.
Other Available Sizes
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Travel Berkey® – 1.5 Gallons
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Big Berkey® – 2.25 Gallons
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Royal Berkey® – 3.25 Gallons
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Imperial Berkey® – 4.5 Gallons
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Crown Berkey® – 6 Gallons
The Royal Berkey Water Filter System is a practical step up for households that need more capacity without moving into oversized systems. It provides higher daily output, fewer refills, and the same trusted gravity-fed performance — all in durable stainless steel.
*If a salt-based water softener is installed, please review our FAQ before use.