Doulton Ceramic Bacteria Filter Specifications
All Doulton® and British Berkefeld® ceramic filter elements are manufactured under International Standards Organisation (ISO) conditions. They have the highly consistent and controlled pore structure necessary to provide genuine sub micron filtration. All claims with regard to the performance of Doulton ceramic filter elements have been verified by independent laboratory testing.
Filtration Rating (percent particulate filtration efficiency)
- Absolute (defined as greater than 99.99 percent): 0.9 micron\
- Nominal (defined as greater than 99.9 percent): 0.5 to 0.8 micron
Flow Rate
- Liters per minute: 5
- US gallons per minute: 1.33
Quality Approval
- NSF approved version available
- W S approved product
- NSF turbidity reduction std. 53: greater than 98 percent
Pathogenic Organisms (percent bacterial removal)
- E. coli: greater than 99.99 percent
- Vibrio Cholerae (Cholera): greater than 99.99 percent
- Shigella: greater than 99.999 percent
- Salmonella Typhi (Typhoid): greater than 99.999 percent
- Klebsiella Terrigena: greater than 99.999 percent
Pathogenic Organisms (percent cyst removal)
- Cryptosporidium: greater than 99.999 percent
- Giardia: greater than 99.999 percent
Working Pressure
- Minimum: 10 psi \
- Maximum: 125 psi
Working Parameters
- Temperature Range: 5 to 38 degrees C
- pH: 5.5 to 9.5
- Suitable for use in gravity filters
Capacity (minimum)
- Liters: 10,000
- US gallons: 2600
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