About: http://webisa.webdatacommons.org/310641919

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 check valve is a one-way valve that allows air into the tank but not out.
http://www.w3.org/ns/prov#wasQuotedFrom	shopyourway.com