About: http://webisa.webdatacommons.org/162706066

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	Activated Carbon Filter ??? Also known as the ???universal adsorbent???, active carbon is the most effective and economic way to eliminate bad gases such as traffic exhaust fumes, passive smoke, gases and chemical vapors.
http://www.w3.org/ns/prov#wasQuotedFrom	joyriver.sg