About: http://webisa.webdatacommons.org/174717136

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	Many hospitals, laboratories and high-tech manufacturers, such as Intel??, already require their filter suppliers to supply them with EN 1822 certification.
http://www.w3.org/ns/prov#wasQuotedFrom	bestfilters.com