About: http://webisa.webdatacommons.org/47998353

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	Filtering element 54 is of a character well known to those skilled in the art and is commercially available from sources such as Intertech of Lincolnshire, Illinois.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com