About: http://webisa.webdatacommons.org/147854450

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 duckbill valve 132 preferably is a 19 mm valve made of a soft plastic, such as silicone or a thermoplastic elastomer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es