The W9330958 is an In-line water filter system utilizing Doulton ceramic technology with a variety of filters to choose from, It comes with a SuperCarb Candle filter but it will work with other grades of 10"" candle filters with a short thread mount, Doulton W9330958 Under Sink Filter System is an Acetal/Polyester In-Line System complete with Installation Kit with 3/8"" Push-fit connectors, This Doulton HIP Under Sink Filter System comes complete with a Doulton SuperCarb Ceramic Filter Candle and features a durable plastic housing, The entire system is NSF Certified, The Doulton W9330958 Water Filter System connects easily under the sink and includes all parts needed for a standard installation, The faucet supplied with the W9330958 system is CA Prop 65 approved, Doulton Super Carb is a highly efficient ceramic micro filter which provides genuine sub micron filtration of drinking water, The incorporation of silver locked within the ceramic structure inhibits the growth of bacteria and gives each cartridge enhanced bacteriostatic and self sterilizing properties, The Doulton SuperCarb is a four stage cartridge combining the highly efficient filtration properties of ceramic with the enhanced water treatment properties of activated carbon and the heavy metal reduction capabilities of ion exchange media, The Doulton HIP/DIY SuperCarb Filter System provides a high level of Chlorine and organics removal, along with Lead and other heavy metal reduction, Approximate System Dimensions: 12"" (H) × 3, 5"" (D) or 30, 4 cm × 8, 9 cm, Approximate Filter Dimensions: 10"" (H) × 2"" (D) or 254 mm × 49 mm, Micron Rating Absolute (>99, 99%): , 9 µm, Micron Rating Nominal (>99, 9%): 0, 5 to 0, 8 µm, Working temperature range: 41° F (5° C) to 100° F (38 °C), Working ph range: 5, 5 - 9, 5, Minimum working pressure: 10 psi, Maximum working pressure: 125 psi, Unrestricted Flow at 3 Bar Pressure: 1 gpm or 3, 7 L/min, Recommended cleaning frequency: when flow rate is noticeably lower or every 3 months, Recommended change frequency: 6 months or 1000 gallons (3,740 liters), whichever is sooner, Contaminant:, Pathogenic bacteria: Cholera, Typhoid, Shigella, E, Coli, Klebsiella Terrigena >99, 99% removal, Cysts: Cryptosporidium Parvum, Giardia Lamblia >99, 99% removal, Sediment: Down to 0, 9 micron absolute; 0, 5 - 0, 8 micron with a filtration efficiency of >99, 99%, Trace Organics Removal - Insecticides: Lindane @ 0, 1 ppb presence >85% removal, Trace Organics Removal - Herbicides: Atrazine @ 1, 2 ppb presence >85% removal, Trace Organics Removal - Phenols: TCP @ 1, 2 ppb presence >50% removal, Trace Organics Removal - Polyaromatic Hydrocarbons: PAH"s @ 0, 2 ppb presence >95% removal, Trace Organics Removal - Trihalomethanes: Chloroform @ 150 ppb presence >50% removal, Inorganics Removal - Free Chlorine: 2mg cl/l challenge >97% removal NSF Class 1 standard 42, Inorganics Removal - Lead: @ pH 6, 5 after 2,244 L>98, 3% removal NSF standard 53, Inorganics Removal - Lead: @ pH 8, 5 after 2,244 L>98, 3% removal NSF standard 53, SKU: CWD3831