About: http://webisa.webdatacommons.org/54222851

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	In this purifying mode of operation, the air entering through port 216 can either be purified by a filter, such as a charcoal or HEPA filter, or provided with a purified gas source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr