About: http://webisa.webdatacommons.org/441415552

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	If air which is particularly free of dust and particulates is to be generated, a third filter section 10 in the form of an ultrafine filter is provided and is used to separate out, for example, bacteria, viruses and spores.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com