About: http://webisa.webdatacommons.org/246502319

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 self-expanding cylindrical rings could be made from a material such as Nitinol or other self-expanding materials which will allow the rings to be initially collapsed to a small profile onto the filter holder 21.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au