About: http://webisa.webdatacommons.org/22792421

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	This is why green building programs such as LEED require that filters have a certification called MERV that shows how good the filter is at removing contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom	greenhomeguide.com