About: http://webisa.webdatacommons.org/117899740

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	A filter layer may also be embedded, coated or otherwise treated with a chemical reactant, or other compound, designed to react in some manner with the fluid stream either to enhance filtration, or to produce an additional result.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com