<http://webisa.webdatacommons.org/prov/1534617>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/171327683> .
<http://webisa.webdatacommons.org/171327683>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/171327683>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<air-n-water.com> .
<http://webisa.webdatacommons.org/171327683>	<http://www.w3.org/ns/prov#value>	"They may not collect as many airborne particles from the air as a HEPA filter, and are not effective at destroying biological contaminants such as viruses, bacteria, and fungi." .