Doulton Sterasyl is a highly efficient ceramic micro filter which provides genuine sub micron filtration to your drinking water.
Highly effective barrier to particles and pathogens a pore structure down to 0.2 microns to offer maximum protection.
Long Life: To ensure ongoing, long term value, the filter may be cleaned, which allows re-use and gives 6-12 months life.
Natural the ceramic is made from 100% natural earths and uses coconut shell carbon.
In addition to fine particulate matter, bacteria, cysts and turbidity are removed to a high level of efficiency. The incorporation of silver locked within the ceramic structure inhibits the growth of bacteria and gives each cartridge an enhanced self-sterilising property.
Filtration efficiency
| 
 Absolute filtration rating  | 
 >99.99%  | 
 0.9 micron  | 
| 
 Nominal filtration rating  | 
 >99.99%  | 
 0.5 – 0.8 micron  | 
| 
 % Bacteria removal  | 
 E-Coli, Vibrio cholera  | 
 >99.99%  | 
| 
 % Cyst removal  | 
 5 Cryptosporidium, Giardia  | 
 >99.999%  |