About: http://webisa.webdatacommons.org/132347290

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 device has a flow control valve comprised of an elastomeric duckbill valve 2005, which can be manufactured of a material such as silicone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr