About: http://webisa.webdatacommons.org/224019306

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	They either take in air from the outside and filter it for particles of dirt, dust, mold, pollen, and any other particles in the air and clean them for you to breathe.
http://www.w3.org/ns/prov#wasQuotedFrom	bellaonline.com