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Big Berkey®

BIG BERKEY WITH BLACK PURIFICATION ELEMENTS

The versatile Big Berkey® system is the ideal system for use at home with small or medium sized families, travel, outdoor activities or during unexpected emergencies.

This powerful system purifies both treated water and untreated raw water from such sources as remote lakes, streams, stagnant ponds and water supplies in foreign countries, where regulations may be substandard at best. Perfect for everyday use, outdoor activities and a must in hostile environments where electricity, water pressure or treated water may not be available.

The Big Berkey® system removes pathogenic bacteria, cysts and parasites entirely and extracts harmful chemicals such as herbicides, pesticides, VOCs, organic solvents, radon 222 and trihalomethanes. It also reduces nitrates, nitrites and unhealthy minerals such as lead and mercury. This system is so powerful it can remove food coloring from water without removing the beneficial minerals your body needs. Virtually no other system can duplicate this performance.

Constructed of highly polished 304 stainless steel, the system comes complete with two purification elements and utilizes the latest technological advances. This system has a storage capacity of about 2.25 gallons (8.5 liters) and when in use it stands 19.25" in height with a diameter of 8.5". The upper chamber nests within the lower chamber for transport and stands only 13" in height.

Configured with two Black Berkey® purification elements the system will purify up to 3 1/2 Gallons (13.3 liters) per hour*. This system can be expanded to use four purification elements and is capable of purifying up to 7 Gallons (26.5 liters) per hour*.

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

Only   $250 + S&H With 2 Black Berkey® Purification Elements
Only   $335 + S&H With 4 Black Berkey® Purification Elements

Not yet available in California or Iowa


BIG BERKEY WITH WHITE STERASYL™ CERAMIC FILTER ELEMENT
The Sterasyl™ grade ceramic is designed to remove suspended solids and pathogenic bacteria.

Composition of the Sterasyl™ ceramic contains pure silver. This silver is a specially formulated self-sterilizing (bacteriostatic) agent. The result is that bacterial growth is prevented from occurring within the Sterasyl™ ceramic element (which is possible with the other ceramic filter elements.) More importantly, bacterial 'grow-through' is eliminated. This silver content is about 0.07%, which is well within the allowable levels recommended by the World Health Organization and the E.P.A. Because of the silver, Sterasyl™ filter elements do not require sterilization after cleaning.

The Sterasyl™ ceramic is the ceramic used for the Super Sterasyl™ filter element. Accordingly, this filter element will have, at a minimum, the filtration benefits of Sterasyl™.

The Sterasyl™ filter, when used in a Doulton HIP in-line housing (Model Designations: HIP/Sterasyl™), is certified by the National Sanitation Foundation (NSF) as meeting their Standard No 53 (health) criteria. Standard No 42 pertains to self-sterilizing (bacteriostatic) effects and particulate reduction. Standard No 53 pertains to cyst and turbidity reduction.

Super Sterasyl™ Candle Water Filter Element

This cleanable filter element is designed to reduce suspended solids, pathogenic bacteria, organic chemicals, and improve taste and odor. The filter elements are produced using the latest ceramic techniques to provide a hollow porous ceramic which is fired at a temperature in excess of 10000C. They are designed to operate with water flow going from the outside to inside of the element. The ceramic shell exhibits a strictly controlled pore structure, so as to provide efficient sub-micron filtration, a proven defense against hard shelled parasites such as Cryptosporidium, as well as removing other less harmful, but equally unpleasant particulate debris, such as rust and dirt. The bore of the filter candle contains granular activated carbon that aids in the removal of chlorine, reduces organic chemicals and improves the color, taste, and odor of the source water. The Sterasyl™ element has a unique domed ceiling assuring that leakage cannot occur as may happen with capped filters.

Maximum working pressure 125 psig Maximum working temperature 1000 F Minimum working temperature 400 F

Contaminant Reduction and Removal
Pathogenic bacteria
Cholera, Typhoid, Salmonella, Serratia, E.Coli, Fecal Coliform > 99.99% removal

Cysts
Cryptosporidium Parvum and Giardia Lamblia - 100% removal (based on tests by Arizona State University)

Sediment
Down to 0.9 micron, 100%; 0.5 - 0.8 micron with a filter efficiency of > 99.99% (based on tests by Spectrum Laboratories, Minneapolis, MN)

Organic Chemicals
Pesticides, herbicides, organic solvents, trihalomethanes

Other Chemicals: Chlorine

Bacterial mitosis and 'grow-through'
Mitosis is the name for the usual method of bacterial cell division. This division is characterized by resolving the chromatin of the cell nucleus into a threadlike form that condenses into chromosomes, each of which separates longitudinally into two parts, one part of each chromosome being retained in each of the two new daughter cells.

When conditions of growth (cell division) are right (proper environmental conditions, temperature, pressure, etc.) and sufficient nutrients, the 'threadlike forms' can penetrate the ceramic structure of other ceramic shells and create bacterial cells on the inside of the element.

Sterasyl™ grade filter elements incorporate pure silver into the porous ceramic shell to prevent 'grow-through' from occurring.
Only   $250 + S&H With 2 White Sterasyl Ceramic Filter Elements
Only   $335 + S&H With 4 White Sterasyl Ceramic Filter Elements

Not yet available in California or Iowa


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