The Imperial Berkey® System - 4.5 Gallon comes standard with 2 Black Berkey® Purification Elements but can be expanded up to 4 or 6 elements. The Imperial Berkey® System - 4.5 Gallon is not only for the home but also perfect for larger groups such as businesses. Perfect for outdoor activities and a must in hostile environments where electricity, water pressure or treated water may not be available. The Imperial Berkey® System - 4.5 Gallon filters virtually the best tasting and purest filtered drinking water possible through a natural purification method instead of using chemicals or complicated processes. Perfect for any unexpected emergency situations. 
(4.5 gallons)
Gravity feed system, just fill and walk away, no pumping required.
Long lasting purifying filters, very low cost of ownership.
Compacts down to almost half it's size for travelling.
High quality stainless steel, looks beautiful and will last for generations.
The Royal Berky reduces the following contaminants:
Bacteria
Chemicals
Cysts
Heavy Metals
Lead
Mercury
Parasites
Pesticides
Total Trihalomethanes (TTHM)
Viruses
VOCs
New Millennium Concepts, Ltd. (makers of the Berkey Systems) Warrants this product to be free from defects in materials and workmanship for a period of 6 months from date of purchase. Black Berkey purification elements have a two-year prorated warranty calculated in six months intervals. Not available to ship to California or Iowa.