PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Potassium Permanganate Filter is designed to remove high levels of dense smoke, odors, and other chemicals that impregnated charcoal can not remove.
http://www.w3.org/ns/prov#wasQuotedFrom
  • purairfilters.net