| http://www.w3.org/ns/prov#value | - An activated carbon filter bearing NSF Standard 53 certification will filter out most pollutants of concern, including heavy metals such as copper, lead and mercury; disinfection byproducts; parasites such as Giardia and Cryptosporidium; pesticides; radon; and volatile organic chemicals such as methyl-tert-butyl ether (MTBE), dichlorobenzene and trichloroethylene (TCE).
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