The Super Sterasyl™ Ceramic Water Filter Elements

Toxicological extraction is commonly the most difficult area of the NSF testing standards to satisfy. This shows that the filter does not re-contaminate the water. Many other ceramics have not passed and may not be capable of passing the NSF material extraction test. The Ceramic shell of our Super Sterasyl? element is an NSF Listed Component and is manufactured to meet NSF standard 42 for materials.

Super Sterasyl™ Candle Water Filter Element
This cleanable filter element is designed to reduce suspended solids, pathogenic bacteria, organic chemicals, and improve taste and odor. The filter elements are produced using the latest ceramic techniques to provide a hollow porous ceramic which is fired at a temperature in excess of 1000C. They are designed to operate with water flow going from the outside to inside of the element. The ceramic shell exhibits a strictly controlled pore structure, so as to provide efficient sub-micron filtration, a proven defense against hard shelled parasites such as Cryptosporidium, as well as removing other less harmful, but equally unpleasant particulate debris, such as rust and dirt. The bore of the filter candle contains granular activated carbon that aids in the reduction of chlorine, reduces organic chemicals and improves the color, taste, and odor of the source water. The Sterasyl™ element has a unique domed ceiling assuring that leakage cannot occur as may happen with capped filters.

Maximum working pressure 125 psig
Maximum working temperature 100 F
Minimum working temperature 40 F

Contaminant Reduction and Removal
Pathogenic bacteria
Cholera, Typhoid, Salmonella, Serratia, E.Coli, Fecal Coliform > 99.99% removal

Cysts
Cryptosporidium Parvum and Giardia Lamblia - >99.99% removal (based on tests by Arizona State University)

Sediment
Down to 0.9 micron, 100%; 0.5 - 0.8 micron with a filter efficiency of > 99.99% (based on tests by Spectrum Laboratories, Minneapolis, MN)

Organic Chemicals
Pesticides, herbicides, organic solvents, trihalomethanes

Other Chemicals: Chlorine

Bacterial mitosis and 'grow-through'
Mitosis is the name for the usual method of bacterial cell division. This division is characterized by resolving the chromatin of the cell nucleus into a threadlike form that condenses into chromosomes, each of which separates longitudinally into two parts, one part of each chromosome being retained in each of the two new daughter cells.

When conditions of growth (cell division) are right (proper environmental conditions, temperature, pressure, etc.) and sufficient nutrients, the 'threadlike forms' can penetrate the ceramic structure of other ceramic shells and create bacterial cells on the inside of the element.

Sterasyl™ grade filter elements incorporate pure silver into the porous ceramic shell to inhibit the occurrenceof 'grow-through'


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