About: http://webisa.webdatacommons.org/286016636

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Removes lead, and other heavy metals, nitrates, radium and most chemical contaminants; may not remove some gases such as VOCs or radon; check label.
http://www.w3.org/ns/prov#wasQuotedFrom	sierraclubgreenhome.com