PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
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  • The Pall FLK02-18663 Filter Cartridge is a genuine double layer polytetrafluoroethylene (PTFE) membrane that is designed specifically for removing contaminants such as bacteria and viruses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • filtersfast.com