About: http://webisa.webdatacommons.org/194363763

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	However, considering the manufacturing cost, and the like, of the filter body, there is a limit to the number of filter materials overlaid.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com