This system comes standard with 2 Black Berkey Purification Elements, but can be expanded up to 4 elementsThe versatile Big Berkey system is ideal for small to medium families, and for use during travel, outdoor activities, or unexpected emergenciesConstructed of highly polished AISI 304 stainless steelStorage capacity of about 2.25 gallons (8.5 liters)Upper chamber nests within the lower chamber for transport and stands only 13" in heightMaximum 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 plugsHeight when in use: 19.25"Diameter: 8.5"Weight: 7 lbs emptyFor normal everyday use, this system easily serves: 1-4 peopleFully configured, this system can serve up to 85-170 people a day, during an emergencyMaximum Filtration Flow Rate:
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