About: http://webisa.webdatacommons.org/110759378

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	The filters 9 and 10 may be constructed of materials selected from the group consisting of stainless steel, glass, and polymeric materials such as polyethylene and polytetrafluoroethylene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com