About: http://webisa.webdatacommons.org/179271703

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	Thus, when a hollow cylindrical carbon block filter is used for the removal of a heavy metal, such as lead, the size of such a filter conventionally used in home filtration of drinking water will fairly rapidly reach it absorption
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com