Custom Triple KDF/GAC Undercounter Water Filter System, Ceramic & Fluoride RemovalRemoves Chlorine, Lead, Chemicals, Heavy Metals. Leaves beneficial minerals, such as calcium and magnesium, intact. Tested to industry standard NSF-53 protocol by independent laboratory. Convenient - quality water right at your tap. Economical - costs only pennies per gallon for "better than bottled" quality. Remove harmful Bacteria, such as E. Coli, Fecal coliform, Salmonella, Streptococcus & Cysts Fluoride Removal