The 12 month or 2000 litre super sterasyl filter manufactured by Royal Doulton is far and the way the best gravity filter manufactured anywhere.
With its Absolute filtration rating (defined as >99.99%) of 0.9 microns, this filter is highly effective against particulate contamination, pathogenic bacteria, cysts, giardia, cryptosporidium as well as chlorine and organic removal capabilities.
WHAT DOES THE ROYAL DOULTON SUPER STERASYL FILTER REMOVE?
- Pathogenic Bacteria: Cholera, Typhoid, Salmonella, Serratia, E.Coli, Soil Coliform > 99.99% removal.
- Cysts (>99.999%): Cryptosporidium Parvum and Giardia Lamblia - 100% removal (based on tests by Arizona State University).
- Organic Chemicals: Pesticides, herbicides, organic solvents, SOCs, VOCs, trihalomethanes.
- Chlorine > 95%
- Reduce Turbidity, Sediment and Particulate:
@ 0.9 micron> 99.99%
@ 0.5 – 0.8 micron> 99.9%
@ 0.2 – 0.3 micron> 98%
(based on tests by Spectrum Laboratories, Minneapolis, MN).
This filter has been tested and certified to The World Health Organisation and the national laboratory standards of over 50 countries.
As this filter is only 5 inches long it will fit all purifiers manufactured by Southern Cross Pottery as well as most brands of gravity filtration systems including Alps, Durand, Waterco, Australis, Stefani, Peter Wallace and Pozzani.