* HEALTHY – Berkey® systems are far superior to other filtration systems because they remove harmful pathogenic bacteria, cysts and parasites as well as unhealthy chemical contaminates and impurities while leaving in the essential minerals your body needs.  Berkey® systems produce virtually the most healthful, clean and delicious water available.

* CONVENIENT – Berkey® systems assemble in minutes without tools, electricity, water pressure, or plumbing.  What’s more, they are simple to operate and maintain.

* ECONOMICAL – Berkey® systems are easily the most economical water purification system you can own.  Their unique design allows you to easily remove and re-clean the purification elements over and over again.

* POWERFUL – Berkey® systems can easily purify ordinary tap water, yet are so powerful, they efficiently purify raw, untreated water from such sources as remote lakes and streams.  What’s more, Berkey® systems are the ideal water purification systems to have on hand in the event of natural disasters such as blackouts, hurricanes, floods, earthquakes as well as local or national emergencies when treated tap water may not be available.

* FLEXIBLE – Berkey® systems are so convenient and easy to use, you can take them anywhere: on vacations, hunting and camping trips, college dorms and they are ideal systems for RVs and pleasure craft.

* ELEGANT – The elegant high-grade polished 304 stainless steel design makes Berkey® systems an attractive addition to any kitchen or home yet each system is both rugged and durable.

* PROVEN HISTORY – The same high quality and effectiveness of the gravity filtration process, that is utilized in Berkey® systems, has stood the test of time. Gravity filtration has been used by relief organizations such as UNICEF, the Peace Corps, Red Cross Societies Internationally, missionaries and relief workers in over 140 countries throughout the world.

Description	Number of elements	Capacity	Purification Speed***	Height expanded by Diameter	Collapsed Height
Travel Berkey® *	2	~1.5 gals	~2.75 GPH	18” x 7.5”	12”
Berkey® Light *	2	~2.75 gals	~4 GPH	21" x 9"	NA
Big Berkey® **	2 to 4	~2.25 gals	~3.5 to 7 GPH	19.25” x 8.5”	13”
Royal Berkey® **	2 to 4	~3.25 gals	~4 to 8 GPH	23” x 9.5”	15.25”
Imperial Berkey® **	2 to 6	~4.5 gals	~5 to 15 GPH	25.75” x 10”	17”
Crown Berkey® **	2 to 8	~6 gals	~6 to 24 GPH	30” x 11”	20”

* Not Available Iowa **Not Available in California or Iowa
*** Lower GPH (Gallons Per Hour) flow rate based on systems being configured with two purification elements. Higher GPH flow rates based on systems being expanded to maximum number of purification elements. Flow rates calculated with upper chamber full to top. Flow rate decreases as water level declines.