KDF Process Media are high purity copper-zinc granules that reduce contaminants in water using oxidation/reduction (redox reaction. KDF 55 process medium is an effective chlorine removal agent used in point-of-entry (POE treatment of municipal water supplies. KDF 85 process medium is an effective iron (ferrous and hydrogen sulfide (H2S removal agent that may be used alone or to protect existing water filtration/purification technologies in POE treatment of groundwater supplies. More Info on KDF Media KDF Shower Filters KDF Filters

select DISTINCTROW top 10 p.CatalogId,p.ccode from products p, prodcategories cc, categories c where cc.intCatalogId=p.CatalogId and cc.intcategoryid=c.categoryid and cc.intcategoryid = 840 and p.hide = 0 and (p.customermatch is null or p.customermatch = '') and (p.loggedin = false or p.loggedin is null) and (c.customermatch is null or c.customermatch = '') and (c.loggedin = false or c.loggedin is null) AND (higherCatalogId is null) order by p.ccode