About: http://webisa.webdatacommons.org/238819396

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	Each NIOSH-certified respirator contains a rating, such as N95, which refers to its certified level of filtration efficiency.
http://www.w3.org/ns/prov#wasQuotedFrom	city-data.com