Patent ID: 7922008

Claim:
A filter for providing potable water, comprising: (i) a housing having an inlet and an outlet; and (ii) a filter material disposed within said housing, said filter material comprising (a) from about 25% to about 75%, by weight, of a plurality of filter particles comprising microporous activated carbon, wherein: the sum of the mesopore and macropore volumes of said plurality of microporous activated carbon filter particles is less than 0.12 mL/g, (b) from about 25% to about 75%, by weight, of a plurality of filter particles comprising mesoporous activated carbon, wherein: the sum of the mesopore and macropore volumes of said plurality of mesoporous activated carbon filter particles is between about 0.2 mL/g and about 2 mL/g, and the ratio of the sum of the mesopore and macropore volumes to the total pore volume of said plurality of mesoporous activated carbon filter particles is greater than about 0.3, and (iii) wherein the filter has a Filter Bacteria Log Removal of greater than about 2 logs and a Filter Viruses Log Removal of greater than 1 log.