All Doulton®
and British Berkefeld ceramic filter elements are
manufactured with the highly consistent and controlled pore structure necessary
to provide genuine sub micron filtration.
The table provides a summary
of independently verified test data for Doulton and
British Berkefeld filter elements and systems.
|
Mechanical Filtration
Rating |
||||
|
|
|
Particulate Reduction |
|
|
|
|
|
|
>0.9 micron |
>99.99% |
|
|
|
|
>0.5 micron |
>99.9% |
|
|
|
Turbidity |
>99.7% |
|
|
|
Cysts |
|||
|
|
|
Cryptosporidium |
>99.99% |
|
|
|
|
Giardia Lambia |
>99.99% |
|
|
|
Pathogenic Bacteria |
|||
|
|
|
E. Coli |
>99.99% |
|
|
|
|
Vibrio Cholerae |
>99.99% |
|
|
|
|
Klebsiella Terrigena |
>99.99% |
|
|
|
|
Salmonella Typhi |
>99.999% |
|
|
|
|
Shigella |
>99.999% |
|
