About: http://webisa.webdatacommons.org/440725508

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	This valve guard can be formed of a variety of materials, such as a hard plastic, and serves to avoid inadvertent puncturing of the balloon by the sharp needle upon installation and deployment of the device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk