Doulton 10" Imperial Sterasyl OBE Ceramic Filter This listing is for 4 filters.Contaminant Removal: Pathogenic bacteria, Cysts, SedimentOrganic Chemicals: Pesticides, herbicides, organic solvents, trihalomethanes.Chemicals: ChlorineMetals: LeadDoulton Ceramic Filter Elements have been trusted by relief organizations around the globe for over 150 years. These filters were developed in the 1850's to remove disease causing bacteria from London's Thames River.The ceramic contains a specially formulated self-sterilizing silver compound and, therefore, the Sterasyl element does not require sterilization after cleaning. The silver content is precisely controlled to keep well within the maximum levels recommended by the World Health Organization and the E.P.A. The cartridge conforms to NSF Standard (number 53) health benefits with respect to cyst, turbuyity, particulate reduction, and self-sterilizing effects.The cartridge is open on both ends and fit in standard 10" filter housings.Doulton Imperial Sterasyl Standard OBE CartridgeThis Doulton Imperial Cartridge fits in standard 10" Filter Housings and is recommended for increased capacity and flow over the standard Stersyl CartridgeMaximum working pressure125 psi (8.6 bars)Maximum working temperature100 °F (37.8 °C)Minimum working temperature40 °F (4.4 °C)Recommended cleaning frequencyevery 6 months or when flow rate is noticeably lowerRecommended change frequencyevery 12 monthsContaminant RemovalThe 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 BacteriaChorela, Typhoid, Salmonella, Serratia, E. Coli, Fecal Coliform: >99.99% removalCystsCryptosporidium parvum and Giardia lamblia: 100% removal (based on tests by Arizona State University)SedimentDown 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)Some restrictions apply to the sale of ceramic filters in the states of CA, WI, MA & IA. Call for details. Payment Details There is a sea of sellers on line and you have chosen me. I amreally honored. I greatly appreciate you. I take Paypal and major credit cards for all the transaction at this time. Thank you very much. Shipping Details I use several warehouses to ship orders out for me. They use UPS, USPS and fedEx. HealthyBowls Seeds Sprouters Stainless Steel Pots Water Distillers Juicers Air Purifier Grain Mills Pasta Cookers Vegetable Steamers Alkaline water Ionizers Food Dehydrators Health Products Juicer Blender Chopper Fermenting Pots Ribbons Canning Shaved Ice Accessories Emergency Preparedness Meat Grinder Sausage Stuffer Popcorn Kitchen Reverse Osmosis Water System PurePro Filters Cartridges FloJet Water Dispensers Our Feedback Policy There is a sea of sellers on line and you have chosen me. I am really honored. I greatly appreciate you. I would be grateful if you spend time to write about your shopping experience. I like to know that I have done a good job. Please give me five star rating. Thank you from the bottom of my heart. - Feedback - About Me - Other products -