Imperial Berkey (4.5 gallons)

Imperial Berkey (4.5 gallons)


Watchman Consulting members get a major discount on this product! Click at the top of the page to get access to your discount!


*The Berkey® stainless steel chambers are assembled in the USA from US and imported parts. The Black Berkey® Purification Elements are made and assembled in the USA.

  • The Imperial Berkey® System 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.

  • Specifications

    Filtered Water Capacity: 4.5 Gallons (17 L)

    Product Dimensions: 10 x 10 x 27

    Product Dimensions (nested): 10 x 10 x 19

    Weight Empty: 10 lbs

    Wight Full (lower chamber full): 47.5 lbs

    Material: High polish 304 stainless steel

    Spigot (included) Material: BPA free, FDA approved, high impact polypropylene

    Purification Speed (gallons per hour): Up to 5.5 GPH with 2 Black Berkey® Filters (standard configuration), Up to 11 GPH with 4 Black Berkey® Filters, Up to 16.5 GPH with 6 Black Berkey® Filters

    Availability: Not yet available in Iowa or California

    Contaminants (removal rate): 

    Viruses (99.999%), Pathogenic Bacteria (99.9999%), Chloramine (below lab detectable limit), Trihalomethanes (99.8%), pharmaceuticals (99.9%), pesticides (below lab detectable limit)




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