Crown Basic Imperial Ceramic Countertop Water Filter This CWR-BCCT countertop water filte r housing is made from food grade polypropylene. Inside is a 4 Stage Doulton Imperial Ceramic Filter RF-IMPUC . Connect to your faucet with a diverter assembly included to dispense filtered water. The CWR-BCCT water filter has a three-stage filtration system. First Stage a Bentonite Kieselguhr ceramic that filters out parasites, bacteria, rust, dirt and sediment from the water. A small amount of silver baked into the ceramic inhibits the growth of bacteria. Second Stage activated coconut shell carbon which reduces chlorine, chemicals, pesticides, bad taste and odors. Third Stage heavy metal removing compound, which is incorporated in the carbon block called A.T.S. titanium zeolite that reduces lead and copper. CWR-BCCT Crown Basic Counter Top Filter Specifications Housing medical grade-ABS plastic. Upgradable Can be upgraded with a fluoride, nitrate, or VOC filter for added protection. Note The Ultraviolet Fluoride upgrades are not available for shipment to CA, IA, WI MA. Flow rate of the ceramic filter 1.5 gpm gallons per minute at 45 psi. Ceramic filter life span effective up to 1,200 gallons. Supplied with diverter to connect to standard sink and spigot to dispense filtered water. Dimensions Housing stands 12.5 high with a 6 diameter. Tested to Remove Contaminants Such as Cysts parasites ... 99.99% Turbidity or Cloudiness ... 99.96% Lead 150ppb... 98.25% Bad Taste Odor...Class I Particulates...Class I Chlorine... 98.25% This item ships from a separate warehouse and may require extra time for delivery.