About: http://webisa.webdatacommons.org/317178374

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	An End of Service Life (ESLI) and Residual Life Indicator (RLI), for gas masks and other filters, where the indicator includes a solid conduit with one end closed by a transparent material and the other by a porous material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com