








Learn more about the Big Berkey and why it's the most popular size for families




Big Berkey Water Filter
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Quickly becoming one of the most popular systems, the Royal Berkey holds more water and filters it 14% faster than the Big!
- Min. 2 Filters: 2-6 People
- Max 4 Filters: 7 people
- Flow Rate (Gallon Per Hour)
2 filters : 4GPH
4 filters : 8GPH - Dimensions: 9.5”D x 24”H
- Empty weight: 8lbs
2.25 Gallon Capacity
The Big Berkey is our most popular water filter system here at BerkeyFilters.com, and for good reasons. It's the perfect size! The functionality of the Big Berkey makes it so versatile that it works for several situations. It’s 2.25 gallon capacity can provide plenty of water for medium-sized families of one to four people, without taking up precious counter or fridge space. This unit fits easily in the kitchen, RV, tiny house or off-grid cabin! The size of the Big Berkey is 21 inches tall and eight and half inches wide.
With the addition of an extra pair of Black Berkey Filters for a total of 4, and the Big Berkey unit can supply up to 16 people with purified drinking water in emergency situations.
Recommended for 2-4 People
Comes with 2 Filters
Maximum number of filters: 4
Max filtered water GPH: 7
Dimensions: 8.5"D x 21" H
Learn more about the Big Berkey and why it's the most popular size for families
Big Berkey Water Filter System
Capacity: 2.25 Gallons (8.5 L)
Material: 304 AISI Stainless Steel
Finish: High Polish Stainless Steel
Its size and holding capacity make the Big Berkey a highly adaptable unit. It is ideal for medium-sized families of one to four people, and this Berkey filter model is compact enough to easily fit into an RV, tiny house, or cabin.
The Big Berkey system is also large enough to keep over a dozen people hydrated with purified water in emergency situations. Just be sure to use all four filters.
What You Get When Purchasing a Big Berkey directly from BerkeyFilters.com
- Two Black Berkey Filters
- Plastic Spigot
- Berkey Care Lifetime Warranty
Buy a Big Berkey today and get started with everything you need to purify drinking water without power and without constantly buying and replacing filters. It takes minutes to assemble and can last a lifetime!
*Not yet available in Iowa or California*


Black Berkey Filters (Included)
The Big Berkey comes with two Black Berkey Filters that are installed in the top chamber. The Big has a four filter maximum in the top chamber. Learn More

Fluoride Filters (Add-on)
These filters are not included but can be purchased separately. They attach to the black filters and hang in the lower chamber while reducing fluoride by up to 97%. Learn More
Stainless Steel Spigot (Add-on)
This spigot upgrade features a faster flow rate and a secure 1/4 turn open and close design. Learn More
Specifications
Big Berkey

Filtered Water Capacity | 2.25 Gallons (8.5 L) | |
Product Dimensions | 8.5 x 8.5 x 21.0 inches | |
Product Dimensions (Nested) | 8.5 x 8.5 x 13.0 inches | |
Weight Empty | 7 lbs | |
Weight Full (Lower Chamber Full) |
25.76 lbs | |
Material | High polish 304 stainless steel | |
Spigot (Included) Material | BPA free, FDA approved, high impact polypropylene | |
Price (USD) |
|
$278 with 2 Black Berkey Filters (standard configuration) $388 with 4 Black Berkey Filters |
Purification Speed (Gallons Per Hour) |
|
Up to 3.5 GPH with 2 Black Berkey Filters (standard configuration) Up to 7.0 GPH with 4 Black Berkey Filters |
Availability |
|
Big Berkey is not available yet in Iowa or California (Learn Why) |
Black Berkey Purification Filters (2 Included)

Contaminants Removed | Two filter elements are included with the Big Berkey system. These have been tested to remove 203 contaminants commonly found in drinking water, including viruses (99.999%), pathogenic bacteria (99.9999%), Chloramine (below lab detectable limit), trihalomethanes (99.8%), pharmaceuticals (99.9%), pesticides (below lab detectable limit), heavy metals ( See the entire list of contaminants that are removed here) | |
Product Dimensions | 2.25 x 2.25 x 9.75 inches | |
Composition | Composition of carbon, containing high-grade coconut shell combined with a proprietary blend of 5 other media. | |
Certifications | State and EPA accredited laboratories have tested the filters to exceed NSF/ANSI Standard 531 | |
Lifespan | 3,000 gallons per filter. (6,000 gallons per set of 2) |
Black Berkey Filters Contaminants Removed
1The Black Berkey purification element formulation has been tested by State, and EPA accredited laboratories to exceed NSF/ANSI Standard 53 but has not yet been certified.Lab Results
- Black-Berkey_Perfluorinated-Chemical-Removal-Test-Report.pdf
- Berkey Purification Element Chem-Red Test-9-15 Rev.pdf
- BF2 Gross Alpha Radiological Test Results-1.pdf
- BF2 Gross Beta Radiological Test Results.pdf
- BF2 Inorganic Test Results.pdf
- BF2 Microbiological Testing.pdf
- BF2 Organic Test Results.pdf
- BF2 Uranium Radiological Test Results.pdf