About: http://webisa.webdatacommons.org/326741469

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	The source of much of that pollution comes from inside your heating and air conditioning ductwork, which are lined with deposits that include bacteria, fungi, dust, pet hair, pet dander, and other contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom	chicagoductcleaners.com