About: http://webisa.webdatacommons.org/347469807

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	It makes possible the variety of types of filtration (mechanical, chemical, biological) normally only available for larger aquarium systems.
http://www.w3.org/ns/prov#wasQuotedFrom	about.com