Royal Berkey® Water Filter – 3.25 Gal Gravity-Fed Filtration System
Royal Berkey® Water Filter System – 3.25-Gallon Stainless Steel Gravity-Fed Filtration
The Royal Berkey® Water Filter System is designed for households that use larger volumes of filtered water throughout the day. With a 3.25-gallon capacity, it provides one gallon more lower-chamber capacity than the Big Berkey® while maintaining a practical 9.5-inch diameter.
Whether you're filling reusable water bottles, preparing meals, brewing coffee, or serving multiple family members, the Royal Berkey® helps reduce the frequency of refills while providing convenient access to filtered drinking water.
Constructed from highly polished AISI 304 stainless steel, the Royal Berkey® combines capacity, durability, and gravity-fed operation in a countertop system that requires no electricity or plumbing.
*Due to state regulations, this product is not available for sale in California or Iowa.
Designed for Higher Daily Water Usage
The Royal Berkey® comfortably serves 2–4 people for everyday household use while offering more storage capacity than the Big Berkey®.
- Fewer refills throughout the day
- More filtered water available for cooking and beverages
- Well suited to active households
- Convenient when serving guests
- One gallon more capacity than the Big Berkey® while remaining 9.5 inches in diameter
For households that like the overall size and filter configuration of the Big Berkey® but want more water stored between refills, the Royal Berkey® offers a practical step up.
How the Royal Berkey® Works
The Royal Berkey® uses gravity to move water from the upper chamber through the installed primary filter elements and into the lower chamber. Fill the upper chamber, allow gravity to do the work, and dispense filtered water from the spigot below.
Included Black Berkey® Elements
Each current Royal Berkey® configuration includes 2 Black Berkey® Elements and can accommodate up to four primary elements.
Independent Black Berkey® laboratory documentation reports reduction performance for a range of drinking-water substances, including selected heavy metals, chlorine-related compounds, VOCs, pharmaceuticals, petroleum-related compounds, particulates, and other substances under the documented test conditions.
Because Black Berkey® Elements are not designed as a reverse-osmosis or demineralization system, ordinary dissolved minerals such as calcium and magnesium generally remain in the water.
A pair of Black Berkey® Elements has a manufacturer-recommended replacement interval of up to approximately 6,000 gallons under stated conditions. Actual service life may be shorter depending on source water quality and use.
Optional PF-2™ Fluoride & Arsenic Reduction Elements can be installed in the lower chamber when used with compatible primary elements. Use one PF-2 for each installed compatible primary element, up to four on the Royal Berkey®.
When replacement filters are needed, visit our Replacement Filters Guide for current compatibility information.
Capacity, Dimensions & Flow Rate
| Capacity | 3.25 gallons (12.3 liters) |
|---|---|
| Diameter | 9.5 inches |
| Height in use | 23 inches |
| Height nested for storage | 15.25 inches |
| Empty weight | Approximately 8 lbs |
| Flow rate with 2 Black Berkey® Elements | Up to 4 gallons per hour |
| Flow rate with 4 Black Berkey® Elements | Up to 7 gallons per hour |
Maximum flow rates are measured with the upper chamber full. Flow naturally decreases as the water level drops.
Royal Berkey® vs. Big Berkey®
Both systems are commonly selected for everyday household use. The main advantage of the Royal is additional stored-water capacity.
| Feature | Big Berkey® | Royal Berkey® |
|---|---|---|
| Capacity | 2.25 gallons | 3.25 gallons |
| Diameter | 8.5 inches | 9.5 inches |
| Everyday household guidance | 2–4 people | 2–4 people |
| Maximum primary elements | 4 | 4 |
| Main reason to choose | Smaller countertop footprint | One gallon more storage capacity |
Built for Long-Term Use
The Royal Berkey® chambers are constructed from highly polished AISI 304 stainless steel and designed for everyday countertop use.
No electricity, plumbing, or pressurized water connection is required. Simply fill the upper chamber and allow gravity to move the water through the installed filter elements.
The stainless steel chambers are assembled in the USA from U.S. and imported parts. Black Berkey® Elements are made and assembled in the USA.
What's Included
- Upper and lower AISI 304 stainless steel chambers
- 2 Black Berkey® Elements
- Stainless steel lid
- Standard spigot
- 2 wingnuts
- 2 washers
- 2 blocking plugs
- 1 priming button
- Rubber base gasket
Why Choose the Royal Berkey®?
3.25-Gallon Capacity
More lower-chamber storage than the Big Berkey® means fewer refills for households that use filtered water throughout the day.
Expandable Filter Configuration
The Royal supports up to four compatible primary filter elements, allowing greater maximum flow when configured with additional elements.
Gravity-Fed Convenience
No electricity, plumbing, or water pressure is required for normal operation.
Stainless Steel Construction
Highly polished AISI 304 stainless steel provides a durable, reusable housing for the countertop.
Long Filter Service Guidance
The included Black Berkey® Elements have long manufacturer-recommended service life, helping reduce how often the primary elements may need replacement under normal conditions.
Who Is the Royal Berkey® Best For?
- Households that use larger amounts of filtered drinking water
- Families that cook frequently with filtered water
- Homes with multiple people filling reusable bottles throughout the day
- Customers who entertain guests regularly
- Shared households and small offices
- Customers who want more capacity than the Big Berkey® without moving to the larger Imperial or Crown systems
Other Available Berkey® Sizes
- Travel Berkey® – 1.5 gallons
- Big Berkey® – 2.25 gallons
- Royal Berkey® – 3.25 gallons
- Imperial Berkey® – 4.5 gallons
- Crown Berkey® – 6 gallons
Frequently Asked Questions
How much water does the Royal Berkey® hold?
The Royal Berkey® lower chamber has a capacity of 3.25 gallons, or approximately 12.3 liters.
How many people is the Royal Berkey® designed for?
The Royal is commonly recommended for about 2–4 people for normal everyday household use. Actual water consumption varies by household.
How many Black Berkey® Elements are included?
The current Royal Berkey® configuration includes two Black Berkey® Elements.
Can the Royal Berkey® use four primary elements?
Yes. The Royal can accommodate up to four compatible primary filter elements.
How fast does the Royal Berkey® filter water?
With two Black Berkey® Elements, the maximum flow rate is up to 4 gallons per hour. With four Black Berkey® Elements, it is up to 7 gallons per hour. These maximum rates are measured with the upper chamber full.
What replacement filters fit the Royal Berkey®?
The current system includes Black Berkey® Elements. Phoenix Gravity New Millennium Edition™ Filter Elements are also compatible with the Royal Berkey® and are currently the primary replacement option available through normal authorized U.S. distribution. Check the current Replacement Filters Guide when replacement is needed.
Can PF-2™ filters be used with the Royal Berkey®?
Yes, when used with compatible primary filter elements. Use one PF-2™ element per compatible primary element, up to four on the Royal.
How large is the Royal Berkey® on a countertop?
The Royal measures approximately 23 inches high in use and 9.5 inches in diameter. It nests to approximately 15.25 inches high for storage.
Is the Royal Berkey® larger than the Big Berkey®?
Yes. The Royal holds 3.25 gallons, compared to 2.25 gallons for the Big Berkey®. Its diameter is 9.5 inches, compared with 8.5 inches for the Big Berkey®.
Is the Royal Berkey® available in California or Iowa?
No. Due to state regulations, this product is not currently available for sale in California or Iowa.
The Royal Berkey® Water Filter System offers a practical balance of capacity, output, and countertop convenience. For households that use filtered water throughout the day, its 3.25-gallon capacity provides more stored water than the Big Berkey® without moving to the larger Imperial or Crown systems.
Looking to customize your system? Explore our Berkey Accessories, including sight-glass spigots, stands, sleeves, and replacement parts.
Compare all Berkey® Water Filter Systems to review capacities, dimensions, household-size guidance, and compatible replacement filters.
Compare All Berkey Water Filter Systems