About: http://webisa.webdatacommons.org/143882492

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 you have forced-air heating, replacing the furnace filter four times a year will not only make your system more efficient but will go a long way toward filtering dust, mold spores, and other contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom	michronicleonline.com