General Information:
* Produces safe drinking water from lakes, cisterns, ponds,
streams, etc.
* Designed for everyday household use, not just an occasional
camping trip
* Reliable design uses gravity - no pumps or moving parts to wear
out
* Long lasting filter elements will produce thousands of gallons
each (depending on turbidity level of the water being filtered)
* Stainless steel construction - sanitary, easy to clean, and
will last longer than plastic containers
* Independently tested by these organizations: Spectrum Labs, University of Arizona, Clare
Microbiological, Loughborough University, Hyder.
A rigorous program of independent testing of our British
Berkefeld water filters ensures complete verification of all
product performance claims.
What the filter will remove:
* Absolute filtration efficiency to 0.9 microns
* For particles from 0.2 to 0.5 microns filtration efficiency is
greater than 98%
* Reduces turbidity by an efficiency greater than 99.7%.
* Independently tested to remove the following parasites and
pathogenic bacteria: E. Coli 99.99%, Klebsiella 99.99%, Cholera 99.99%, Shigella 99.99%,
Salmonella 99.99%, Guinea Worm 100%, Giardia Lambia 100%, Cryptosporidium 100%.
How the filter works:
The special ceramic elements are manufactured specifically for
use in this gravity filter. British Berkefeld ceramic elements
consist of a fine microporous structure, which forms a complete
barrier to all particles larger than 0.5 microns in size (1
Micron = 1,000th of a millimeter). All particles above this
size become trapped on the surface and within the ceramic
material. Fine particles of silver are evenly dispersed within
the structure of the filter element, which prevents the growth
of bacteria. The British Berkefeld elements also contain an
additional activated carbon filling, which removes chemical and
organic compounds from the water and improves its taste.
After passing through the filter, safe, filtered water then
collects in the lower chamber to be drawn off from a tap. The
structure of the ceramic material is designed to be cleanable
and regular cleaning of the element will allow its filtration
efficiency to become regenerated. The elements may be cleaned
over 100 times before replacement becomes necessary.
Technical Specifications:
Number of elements: 4
Capacity: 9.5 quarts
Output/24 hrs: 21 gallons (4 7" filter elements)
Output/24 hrs: 27 gallons (4 9" filter elements)
Height: 19 1/4 inches
Diameter: 8 1/4 inches
Empty weight: 5.5 lbs
Quality British Berkefeld Gravity Water Filters
* Designed for everyday household use, not just an occasional
camping trip
* Reliable design utilizes gravity for operation. No pumps or
critical moving parts to wear out
* Each 7" long-lasting filter will produce well over 2600 gallons. 9" will produce well over 3300
gallons each.
* Used by missionaries, the Red Cross, and other humanitarian
relief agencies worldwide
The product is manufactured to meet:
National Sanitation Foundation (NSF) Standard 42
National Sanitation Foundation (NSF) Standard 53
ISO 9002 Quality Standard
Other product features:
* Ceramic elements may be cleaned well over 100 times with a soft
brush or 3M Scotchbrite pad
* Product meets EPA requirements for silver impregnation and
elution
* Product is silver-impregnated and will not permit bacteria
grow-through (mitosis)
* Silver-impregnated elements provide a hostile environment for
all microbiological organisms and will not support their growth
Back to Berkefeld Filter
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