About: http://webisa.webdatacommons.org/186679793

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	For instance, air purifiers fitted with activated carbon filters, such as AllerAir's VOCARB series, are necessary in areas where chemical fumes are a concern.
http://www.w3.org/ns/prov#wasQuotedFrom	achooallergy.com