Full-sized triple filters offer a large filtration capacity for variety and long life. Specialty cartridges can be combined with high capacity carbon filters for removal of specific contaminants like fluoride, lead, nitrates, and sodium.
Here are some suggested cartridge formats:
MatriKX CTO+ (formerly KX-1), Filtrex Greenblock™ coconut shell carbon, and MatriKX Pb1 (carbon block with lead and cyst removal properties. A super chemical cartridge setup that has long life and produces great-tasting water.
(whole house & well units)