- How much water does the Big Berkey hold?
- The tank holds 2.25 gallons (8.5 liters) in the upper chamber, with filtered water stored below. Berkey rates it for households of 1 to 4 people.
- How long do the filters last?
- Each Black Berkey element is rated for about 3,000 gallons. With two elements, that is roughly 6,000 gallons before replacement.
- Does it remove fluoride?
- The standard Black Berkey elements do not remove fluoride. Berkey sells PF-2 fluoride filters separately that fit the same system.
- Do I need plumbing or power?
- No. It is gravity-fed and works on a countertop, off-grid or during outages. You fill the top chamber by hand.
- Is $249.99 a good price?
- That is the best new price among 4 stores as of November 6, 2026. Compare it with the cost of replacement elements before deciding.
- Where is the Big Berkey Gravity-Fed Water Filter, 3.25 Gallons cheapest?
- At eBay, for $249.99, 32% under what the other stores charge, as of our latest check.
- Where can I buy the Big Berkey Gravity-Fed Water Filter, 3.25 Gallons?
- 5 stores we checked sell it, including Poshmark, Amazon, eBay, Walmart, Big Berkey Water Filter Systems.