*The Berkey® stainless steel chambers are assembled in the USA from US and imported parts. The Black Berkey® Elements are made and assembled in the USA. This Imperial Berkey® System comes standard with 4 Black Berkey® Elements, but can be expanded up to 6 elements. The versatile Imperial Berkey® system is the ideal system for use with mid to large-sized families and small groups. Constructed with highly polished AISI stainless steel Upper chamber nests within lower chamber for transport and stands only 17" in height Storage capacity of about 4.5 gallons (17 liters) Maximum Filters: 6 Black Berkey® Elements (in upper chamber) System includes upper and lower stainless steel chambers, 4 Black Berkey® Elements (expandable to 4 or 6), 1 stainless steel lid, 4 washers, 4 wingnuts, 2 blocking plugs, 1 priming button,1 spigot, 1 rubber gasket to protect the base Height when in use: 26" Diameter: 10" Weight: 10 lbs empty For normal everyday use, this system easily serves: 4-8 people Fully configured, this system can serve up to 200-400 people a day, during an emergency Maximum Filtration Flow Rate: Configured with 4 Black Berkey® Elements, the Imperial Berkey® System can produce up to 11 gallons (41.6 liters) of filtered water per hour Configured with 6 Black Berkey® Elements, the Imperial Berkey® System can produce up to 16.5 gallons (62.5 liters) of filtered water per hour Up to 6 Berkey PF-2™ Fluoride and Arsenic Reduction Elements can be installed in the lower chamber if desired Not yet available to residents of California and Iowa.
