IMPERIAL BERKEY® 4.5 GAL WITH 2, 4 OR 6 BLACK ELEMENTS The Imperial Berkey® System by Berkey Water Filters comes standard with 2 Black Berkey® Purification Elements, but can be expanded up to 4 or 6 elements. The versatile Imperial Berkey® System is the ideal system for use with mid to large-sized families, small groups and during unexpected emergencies 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® Purification Elements (in upper chamber) System includes upper and lower stainless steel chambers, 2 Black Berkey® Purification Elements (expandable to 4 or 6), 1 stainless steel lid, 2 washers, 2 wingnuts, 4 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 2 Black Berkey® Purification Elements, the Imperial Berkey® System can produce up to 5.5 gallons (20.8 liters) of purified water per hour Configured with 6 Black Berkey® Purification Elements, the Imperial Berkey® System can produce up to 16.5 gallons (62.5 liters) of purified water per hour Up to 6 Berkey PF-2™ Fluoride and Arsenic Reduction Elements can be installed in the lower chamber if desired Flow rate calculated with upper chamber full to top. Flow rate decreases as water level declines.
