About: http://webisa.webdatacommons.org/367691591

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 ventilation tube is comprised of elastomeric material such as silicone or flexible polyurethanes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk