AquaCera CeraGrav Plus 5" × 2" Ceramic Water Filter Candle (L) Model # W9511151 AquaCera CeraGrav elements all start with the silver impregnated ceramic microfilter. The incorporation of silver locked within the ceramic structure inhibits the growth of bacteria giving the ceramics self-sterilizing properties and removes the need for boiling of the filter to remove or kill the impurities within the ceramic pores. The CeraGrav range is then expanded, to add a granular activated coconut shell carbon core for chemical reduction purposes. AquaCera ceramics do not remove the beneficial minerals from the water, ensuring the filtered water is enjoyable to drink and yet safe from harmful impurities. Maximum working pressure 125 psi (8.6 bars) Maximum working temperature 100 °F (37.8 °C) Minimum working temperature 40 °F (4.4 °C) Recommended cleaning frequency every 6 months or when flow rate is noticeably lower Recommended change frequency every 12 months Contaminant Removal The great majority of pathogenic (disease causing) bacteria and cysts are larger than one µ. The pore size of the ceramic filter element is controlled so that it will remove all suspended matter larger than 0.9 µ. Pathogenic Bacteria Chorela, Typhoid, Salmonella, Serratia, E. Coli, Fecal Coliform: >99.99% removal Cysts Cryptosporidium parvum and Giardia lamblia: 100% removal (based on tests by Arizona State University) Sediment Down to 0.9 µ, 100%; 0.5-0.8 µ with a filter efficiency of >99.99% (based on tests by Spectrum Laboratories, Minneapolis, MN)
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