Big Berkey Filter With Additional Filters

* The Big Berkey System comes standard with 2 Black Berkey Purification Elements, but can be expanded up to 4 elements
* The versatile Big Berkey System is ideal for small to medium families, and for use during travel, outdoor activities, or unexpected emergencies
* Constructed of highly polished AISI 304 stainless steel
* Storage capacity of about 2.25 gallons (8.5 liters)
* Upper chamber nests within the lower chamber for transport and stands only 13" in height
* Maximum Filters: 4 Black Berkey Purification Elements (in upper chamber)
System includes upper and lower stainless steel chambers, 2 Black Berkey Purification Elements (expandable up to 4), 1 stainless steel lid,1 spigot, rubber gasket to protect the base, 2 wingnuts, 2 washers, 1 priming button, and 2 blocking plugs
* Height when in use: 19.25"
* Diameter: 8.5"
* Weight: 7 lbs empty
* For normal everyday use, this system easily serves: 1-4 people
* Fully configured, this system can serve up to 85-170 people a day, during an emergency

Maximum Filtration Flow Rate:

* Configured with two Black Berkey Purification Elements, the Big Berkey System can produce up to 3.5 gallons (13.3 liters) per hour
* Configured with four Black Berkey Purification Elements, the Big Berkey System can produce up to 7.0 gallons (26.5 liters) per hour
* Up to 4 Berkey PF-2™ Fluoride and Arsenic Reduction Filters may be installed in the lower chamber of this system if desired
* Flow rate calculated with upper chamber full to top. Flow rate decreases as water level declines