PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The FILMTEC RO membranes help remove contaminants that can lead to health risks, and reduce impurities such as calcium, magnesium, and iron.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wateronline.com