ceramic water filter cartridgeModel No.LJ-BQ-1Testing reportZheJiang Provincial Center for Disease Control and ProventionDelievery time15 daysHeight98mmDiameter98mmMaterialDiatomaceous ceramicFlow rate0.8-1.2H/LFrequency of washingUsually every month(depends on the water quality)How to washUse a piece of sandpaper to brush the surface, till the surface is white againFunctionRemove dust, rust, cyst, cryptosporidium, guardian, particle and sediment contaminants. Remove harmful bacteria such as E.Coli, fecal coli form, salmonella, streptococcus.AdditionalThe ceramic can be silver impregnated and added with carbon granular