10" carbon block filter (CTO): further the second carbon Gac carbon filter.

the function of carbon filter in powder form, as does the second, but not solid block.

in the case that chlorine can escape from the GAC filter is the first carbon, organic

it eliminates risk by keeping harmful substances and gases. Easy to change filters and extracted by making the change instead of the same one-to-one practical, the water a much cleaner way to set the 3rd party filter, we recommend changes in the period of 6 months and 8 months.