About: http://webisa.webdatacommons.org/110571894

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	The pore size and other attributes of the activated carbon block filter may be tailored according to factors including desired pressure drop, lifetime, and target materials to be filtered.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk