The Imperial Berkey System comes standard with 2 Black Berkey 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, and small groups. Constructed with highly polished AISI stainless steel. Upper chamber nests within lower chamber for transport and stands only 17"H. Storage capacity of about 4.5 gallons (17 liters) . System includes upper and lower stainless steel chambers, 2 Black Berkey 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. For normal everyday use, this system easily serves 4-8 people
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Berkey Imperial Berkey Water Filter System - 4.5 gal

The Imperial Berkey System comes standard with 2 Black Berkey 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, and small groups.

  • Constructed with highly polished AISI stainless steel
  • Upper chamber nests within lower chamber for transport and stands only 17"H
  • Storage capacity of about 4.5 gallons (17 liters)
  • System includes upper and lower stainless steel chambers, 2 Black Berkey 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
  • 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
  • Height when in use: 26"
  • Diameter: 10"
  • Weight: 10 lb when empty
  • 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.

Note: Not yet available to residents of California and Iowa.

Maximum Filtration Flow Rate:

  • Configured with 2 Black Berkey Elements, the Imperial Berkey System can produce up to 5.5 gallons (20.8 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.

Flow rate calculated with upper chamber full to top. Flow rate decreases as water level declines.