Imperial Berkey® System – 4.5 Gallons

The Imperial Berkey® System – 4.5 Gallons is a high-capacity gravity water purification system designed for large families, groups, and commercial use. It delivers exceptionally pure, great-tasting drinking water using a natural purification method—no chemicals, electricity, or complex equipment required. The system is ideal for homes, businesses, outdoor activities, off-grid living, and emergency preparedness. It can purify raw, untreated water from rivers, lakes, streams, ponds, and wells.

This system is available in three configurations:

• Imperial Berkey® System with 2 Black Berkey® Purification Elements

• Imperial Berkey® System with 4 Black Berkey® Purification Elements

• Imperial Berkey® System with 6 Black Berkey® Purification Elements

Black Berkey® Purification Elements
Every Berkey stainless steel system includes Black Berkey® Purification Elements, tested by State and EPA-accredited laboratories to exceed NSF/ANSI Standard 53. Each pair can purify up to approximately 6,000 gallons of water before replacement.

Berkey PF-2™ Fluoride and Arsenic Reduction Elements (Sold Separately)
PF-2™ elements reduce fluoride, arsenic, and other heavy metal ions. Sold in sets of two, they attach to the bottom of the Black Berkey® Purification Elements and sit in the lower chamber.

Berkey® Standard Spigot
The Imperial Berkey® System includes an FDA-approved, BPA-free polypropylene spigot. Replacement and stainless steel spigots are available separately.

Included in the Box

• (1) Upper and lower stainless steel chambers

• (2) Black Berkey® Purification Elements

• (1) Stainless steel lid, knob, and screw

• (1) Berkey® Standard Spigot

• (4) Stainless steel white blocking plugs

• (2) Washers

• (1) Priming button

Berkey® stainless steel chambers are assembled in the USA from U.S. and imported parts. Black Berkey® Purification Elements are made and assembled in the USA.

About the Imperial Berkey® System – 4.5 Gallons

The Imperial Berkey® System comes standard with 2 Black Berkey® Purification Elements and is ideal for 4–8 people for daily use. It can be expanded to hold up to 6 purification elements for significantly faster filtration.

Specifications

• Storage capacity: 4.5 gallons / 17 liters

• Flow rate (2 elements): up to 5.5 gallons (20.8 L) per hour

• Flow rate (6 elements): up to 16.5 gallons (62.5 L) per hour

• Compatible with up to 6 PF-2™ Fluoride and Arsenic Reduction Elements

• Height: 26.0" (66.04 cm)

• Diameter: 10.0" (25.40 cm)

• Shipping weight: approx. 10 lbs

• Material: AISI 304 stainless steel

Flow rate is based on a full upper chamber. Flow rate decreases as water level drops.

How to Assemble the Imperial Berkey® System

1. Wash hands and clean the system before assembly.

2. Remove all components from packaging and verify contents.

3. Prime the Black Berkey® Purification Elements.

4. Place the large sealing washer on the threaded stem of each element.

5. Insert each element into the holes in the base of the upper chamber.

6. Secure each element with the wing nut.

7. Position the upper chamber onto the lower chamber and place the lid on top.

Priming the Black Berkey® Purification Elements

1. Attach the priming button or Primer™.

2. Saturate the element by pumping or running water until fully primed.

3. Install the primed elements into the system.

For additional Berkey® resources, refer to official support materials.