About: http://webisa.webdatacommons.org/38159531

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 may be combined with coarse activated carbon particles to pre-filter both particulates and organics, including chlorine, from water.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es